Home / 125,150.70-187,434.45-122,645.10

Finding the Fourth Proportional to 125,150.70, 187,434.45 and 122,645.10

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Solution

The fourth proportional to 125,150.70, 187,434.45 and 122,645.10 is: 183,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.70 : 187,434.45 = 122,645.10 : x
  2. Step 2: Convert to fraction form
    125,150.70/187,434.45 = 122,645.10/x
  3. Step 3: Cross multiply
    125,150.70x = 187,434.45 × 122,645.10
  4. Step 4: Simplify right side
    125,150.70x = 22,987,916,863.70
  5. Step 5: Solve for x
    x = 22,987,916,863.70/125,150.70
  6. Step 6: Final answer
    x = 183,681.89

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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.