Home / 157,747.87-217,692.57-101,159.47

Finding the Fourth Proportional to 157,747.87, 217,692.57 and 101,159.47

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Solution

The fourth proportional to 157,747.87, 217,692.57 and 101,159.47 is: 139,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,747.87 : 217,692.57 = 101,159.47 : x
  2. Step 2: Convert to fraction form
    157,747.87/217,692.57 = 101,159.47/x
  3. Step 3: Cross multiply
    157,747.87x = 217,692.57 × 101,159.47
  4. Step 4: Simplify right side
    157,747.87x = 22,021,665,004.14
  5. Step 5: Solve for x
    x = 22,021,665,004.14/157,747.87
  6. Step 6: Final answer
    x = 139,600.40

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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.