Home / 185,984.60-256,660.40-101,101.80

Finding the Fourth Proportional to 185,984.60, 256,660.40 and 101,101.80

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Solution

The fourth proportional to 185,984.60, 256,660.40 and 101,101.80 is: 139,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,984.60 : 256,660.40 = 101,101.80 : x
  2. Step 2: Convert to fraction form
    185,984.60/256,660.40 = 101,101.80/x
  3. Step 3: Cross multiply
    185,984.60x = 256,660.40 × 101,101.80
  4. Step 4: Simplify right side
    185,984.60x = 25,948,828,428.72
  5. Step 5: Solve for x
    x = 25,948,828,428.72/185,984.60
  6. Step 6: Final answer
    x = 139,521.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.