Home / 157,729.80-217,641.44-93,190.12

Finding the Fourth Proportional to 157,729.80, 217,641.44 and 93,190.12

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Solution

The fourth proportional to 157,729.80, 217,641.44 and 93,190.12 is: 128,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,729.80 : 217,641.44 = 93,190.12 : x
  2. Step 2: Convert to fraction form
    157,729.80/217,641.44 = 93,190.12/x
  3. Step 3: Cross multiply
    157,729.80x = 217,641.44 × 93,190.12
  4. Step 4: Simplify right side
    157,729.80x = 20,282,031,910.57
  5. Step 5: Solve for x
    x = 20,282,031,910.57/157,729.80
  6. Step 6: Final answer
    x = 128,587.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.