Home / 157,307.40-235,764.16-123,895.52

Finding the Fourth Proportional to 157,307.40, 235,764.16 and 123,895.52

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Solution

The fourth proportional to 157,307.40, 235,764.16 and 123,895.52 is: 185,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,307.40 : 235,764.16 = 123,895.52 : x
  2. Step 2: Convert to fraction form
    157,307.40/235,764.16 = 123,895.52/x
  3. Step 3: Cross multiply
    157,307.40x = 235,764.16 × 123,895.52
  4. Step 4: Simplify right side
    157,307.40x = 29,210,123,200.56
  5. Step 5: Solve for x
    x = 29,210,123,200.56/157,307.40
  6. Step 6: Final answer
    x = 185,688.17

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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.