Home / 125,030.61-187,356.47-82,759.23

Finding the Fourth Proportional to 125,030.61, 187,356.47 and 82,759.23

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Solution

The fourth proportional to 125,030.61, 187,356.47 and 82,759.23 is: 124,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,030.61 : 187,356.47 = 82,759.23 : x
  2. Step 2: Convert to fraction form
    125,030.61/187,356.47 = 82,759.23/x
  3. Step 3: Cross multiply
    125,030.61x = 187,356.47 × 82,759.23
  4. Step 4: Simplify right side
    125,030.61x = 15,505,476,778.92
  5. Step 5: Solve for x
    x = 15,505,476,778.92/125,030.61
  6. Step 6: Final answer
    x = 124,013.45

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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.