Home / 157,526.80-217,384.32-85,906.96

Finding the Fourth Proportional to 157,526.80, 217,384.32 and 85,906.96

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Solution

The fourth proportional to 157,526.80, 217,384.32 and 85,906.96 is: 118,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,526.80 : 217,384.32 = 85,906.96 : x
  2. Step 2: Convert to fraction form
    157,526.80/217,384.32 = 85,906.96/x
  3. Step 3: Cross multiply
    157,526.80x = 217,384.32 × 85,906.96
  4. Step 4: Simplify right side
    157,526.80x = 18,674,826,082.87
  5. Step 5: Solve for x
    x = 18,674,826,082.87/157,526.80
  6. Step 6: Final answer
    x = 118,550.15

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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.