Home / 157,709.20-236,601.51-52,529.08

Finding the Fourth Proportional to 157,709.20, 236,601.51 and 52,529.08

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Solution

The fourth proportional to 157,709.20, 236,601.51 and 52,529.08 is: 78,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,709.20 : 236,601.51 = 52,529.08 : x
  2. Step 2: Convert to fraction form
    157,709.20/236,601.51 = 52,529.08/x
  3. Step 3: Cross multiply
    157,709.20x = 236,601.51 × 52,529.08
  4. Step 4: Simplify right side
    157,709.20x = 12,428,459,646.91
  5. Step 5: Solve for x
    x = 12,428,459,646.91/157,709.20
  6. Step 6: Final answer
    x = 78,806.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.