Home / 125,083.12-187,467.49-89,358.47

Finding the Fourth Proportional to 125,083.12, 187,467.49 and 89,358.47

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Solution

The fourth proportional to 125,083.12, 187,467.49 and 89,358.47 is: 133,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,083.12 : 187,467.49 = 89,358.47 : x
  2. Step 2: Convert to fraction form
    125,083.12/187,467.49 = 89,358.47/x
  3. Step 3: Cross multiply
    125,083.12x = 187,467.49 × 89,358.47
  4. Step 4: Simplify right side
    125,083.12x = 16,751,808,326.41
  5. Step 5: Solve for x
    x = 16,751,808,326.41/125,083.12
  6. Step 6: Final answer
    x = 133,925.41

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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.