Home / 125,301.72-187,948.98-46,414.20

Finding the Fourth Proportional to 125,301.72, 187,948.98 and 46,414.20

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Solution

The fourth proportional to 125,301.72, 187,948.98 and 46,414.20 is: 69,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301.72 : 187,948.98 = 46,414.20 : x
  2. Step 2: Convert to fraction form
    125,301.72/187,948.98 = 46,414.20/x
  3. Step 3: Cross multiply
    125,301.72x = 187,948.98 × 46,414.20
  4. Step 4: Simplify right side
    125,301.72x = 8,723,501,547.52
  5. Step 5: Solve for x
    x = 8,723,501,547.52/125,301.72
  6. Step 6: Final answer
    x = 69,619.97

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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.