Home / 125,036.28-187,554.48-54,916.20

Finding the Fourth Proportional to 125,036.28, 187,554.48 and 54,916.20

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Solution

The fourth proportional to 125,036.28, 187,554.48 and 54,916.20 is: 82,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,036.28 : 187,554.48 = 54,916.20 : x
  2. Step 2: Convert to fraction form
    125,036.28/187,554.48 = 54,916.20/x
  3. Step 3: Cross multiply
    125,036.28x = 187,554.48 × 54,916.20
  4. Step 4: Simplify right side
    125,036.28x = 10,299,779,334.58
  5. Step 5: Solve for x
    x = 10,299,779,334.58/125,036.28
  6. Step 6: Final answer
    x = 82,374.33

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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.