Home / 125,656.16-188,548.02-83,565.52

Finding the Fourth Proportional to 125,656.16, 188,548.02 and 83,565.52

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Solution

The fourth proportional to 125,656.16, 188,548.02 and 83,565.52 is: 125,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,656.16 : 188,548.02 = 83,565.52 : x
  2. Step 2: Convert to fraction form
    125,656.16/188,548.02 = 83,565.52/x
  3. Step 3: Cross multiply
    125,656.16x = 188,548.02 × 83,565.52
  4. Step 4: Simplify right side
    125,656.16x = 15,756,113,336.27
  5. Step 5: Solve for x
    x = 15,756,113,336.27/125,656.16
  6. Step 6: Final answer
    x = 125,390.70

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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.