Home / 123,764.40-185,646.60-57,182.40

Finding the Fourth Proportional to 123,764.40, 185,646.60 and 57,182.40

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Solution

The fourth proportional to 123,764.40, 185,646.60 and 57,182.40 is: 85,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.40 : 185,646.60 = 57,182.40 : x
  2. Step 2: Convert to fraction form
    123,764.40/185,646.60 = 57,182.40/x
  3. Step 3: Cross multiply
    123,764.40x = 185,646.60 × 57,182.40
  4. Step 4: Simplify right side
    123,764.40x = 10,615,718,139.84
  5. Step 5: Solve for x
    x = 10,615,718,139.84/123,764.40
  6. Step 6: Final answer
    x = 85,773.60

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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.