Home / 125,125.31-187,686.47-50,244.12

Finding the Fourth Proportional to 125,125.31, 187,686.47 and 50,244.12

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Solution

The fourth proportional to 125,125.31, 187,686.47 and 50,244.12 is: 75,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,125.31 : 187,686.47 = 50,244.12 : x
  2. Step 2: Convert to fraction form
    125,125.31/187,686.47 = 50,244.12/x
  3. Step 3: Cross multiply
    125,125.31x = 187,686.47 × 50,244.12
  4. Step 4: Simplify right side
    125,125.31x = 9,430,141,269.84
  5. Step 5: Solve for x
    x = 9,430,141,269.84/125,125.31
  6. Step 6: Final answer
    x = 75,365.58

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1.5x scale

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.