Home / 136,840.83-205,177.40-48,104.52

Finding the Fourth Proportional to 136,840.83, 205,177.40 and 48,104.52

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Solution

The fourth proportional to 136,840.83, 205,177.40 and 48,104.52 is: 72,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,840.83 : 205,177.40 = 48,104.52 : x
  2. Step 2: Convert to fraction form
    136,840.83/205,177.40 = 48,104.52/x
  3. Step 3: Cross multiply
    136,840.83x = 205,177.40 × 48,104.52
  4. Step 4: Simplify right side
    136,840.83x = 9,869,960,101.33
  5. Step 5: Solve for x
    x = 9,869,960,101.33/136,840.83
  6. Step 6: Final answer
    x = 72,127.30

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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.