Home / 156,050.67-215,334.32-88,061.55

Finding the Fourth Proportional to 156,050.67, 215,334.32 and 88,061.55

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Solution

The fourth proportional to 156,050.67, 215,334.32 and 88,061.55 is: 121,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,050.67 : 215,334.32 = 88,061.55 : x
  2. Step 2: Convert to fraction form
    156,050.67/215,334.32 = 88,061.55/x
  3. Step 3: Cross multiply
    156,050.67x = 215,334.32 × 88,061.55
  4. Step 4: Simplify right side
    156,050.67x = 18,962,673,547.09
  5. Step 5: Solve for x
    x = 18,962,673,547.09/156,050.67
  6. Step 6: Final answer
    x = 121,516.13

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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.