Home / 196,128,165.40-294,192,248.10-128,103,717.40

Finding the Fourth Proportional to 196,128,165.40, 294,192,248.10 and 128,103,717.40

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Solution

The fourth proportional to 196,128,165.40, 294,192,248.10 and 128,103,717.40 is: 192,155,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,128,165.40 : 294,192,248.10 = 128,103,717.40 : x
  2. Step 2: Convert to fraction form
    196,128,165.40/294,192,248.10 = 128,103,717.40/x
  3. Step 3: Cross multiply
    196,128,165.40x = 294,192,248.10 × 128,103,717.40
  4. Step 4: Simplify right side
    196,128,165.40x = 37,687,120,611,873,088
  5. Step 5: Solve for x
    x = 37,687,120,611,873,088/196,128,165.40
  6. Step 6: Final answer
    x = 192,155,576.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.