Home / 157,336.15-217,124.18-89,353.12

Finding the Fourth Proportional to 157,336.15, 217,124.18 and 89,353.12

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Solution

The fourth proportional to 157,336.15, 217,124.18 and 89,353.12 is: 123,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,336.15 : 217,124.18 = 89,353.12 : x
  2. Step 2: Convert to fraction form
    157,336.15/217,124.18 = 89,353.12/x
  3. Step 3: Cross multiply
    157,336.15x = 217,124.18 × 89,353.12
  4. Step 4: Simplify right side
    157,336.15x = 19,400,722,119.77
  5. Step 5: Solve for x
    x = 19,400,722,119.77/157,336.15
  6. Step 6: Final answer
    x = 123,307.46

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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.