Home / 157,134.45-216,850.46-89,154.30

Finding the Fourth Proportional to 157,134.45, 216,850.46 and 89,154.30

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Solution

The fourth proportional to 157,134.45, 216,850.46 and 89,154.30 is: 123,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,134.45 : 216,850.46 = 89,154.30 : x
  2. Step 2: Convert to fraction form
    157,134.45/216,850.46 = 89,154.30/x
  3. Step 3: Cross multiply
    157,134.45x = 216,850.46 × 89,154.30
  4. Step 4: Simplify right side
    157,134.45x = 19,333,150,965.98
  5. Step 5: Solve for x
    x = 19,333,150,965.98/157,134.45
  6. Step 6: Final answer
    x = 123,035.72

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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.