Home / 196,005.40-294,161.70-90,837.40

Finding the Fourth Proportional to 196,005.40, 294,161.70 and 90,837.40

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Solution

The fourth proportional to 196,005.40, 294,161.70 and 90,837.40 is: 136,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,005.40 : 294,161.70 = 90,837.40 : x
  2. Step 2: Convert to fraction form
    196,005.40/294,161.70 = 90,837.40/x
  3. Step 3: Cross multiply
    196,005.40x = 294,161.70 × 90,837.40
  4. Step 4: Simplify right side
    196,005.40x = 26,720,884,007.58
  5. Step 5: Solve for x
    x = 26,720,884,007.58/196,005.40
  6. Step 6: Final answer
    x = 136,327.28

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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.