Home / 124,922.70-187,529.85-71,657.10

Finding the Fourth Proportional to 124,922.70, 187,529.85 and 71,657.10

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Solution

The fourth proportional to 124,922.70, 187,529.85 and 71,657.10 is: 107,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.70 : 187,529.85 = 71,657.10 : x
  2. Step 2: Convert to fraction form
    124,922.70/187,529.85 = 71,657.10/x
  3. Step 3: Cross multiply
    124,922.70x = 187,529.85 × 71,657.10
  4. Step 4: Simplify right side
    124,922.70x = 13,437,845,214.44
  5. Step 5: Solve for x
    x = 13,437,845,214.44/124,922.70
  6. Step 6: Final answer
    x = 107,569.28

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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.