Home / 197,681.40-296,522.10-145,193.40

Finding the Fourth Proportional to 197,681.40, 296,522.10 and 145,193.40

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Solution

The fourth proportional to 197,681.40, 296,522.10 and 145,193.40 is: 217,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,681.40 : 296,522.10 = 145,193.40 : x
  2. Step 2: Convert to fraction form
    197,681.40/296,522.10 = 145,193.40/x
  3. Step 3: Cross multiply
    197,681.40x = 296,522.10 × 145,193.40
  4. Step 4: Simplify right side
    197,681.40x = 43,053,051,874.14
  5. Step 5: Solve for x
    x = 43,053,051,874.14/197,681.40
  6. Step 6: Final answer
    x = 217,790.10

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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.