Home / 156,722.30-235,083.45-38,394.80

Finding the Fourth Proportional to 156,722.30, 235,083.45 and 38,394.80

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Solution

The fourth proportional to 156,722.30, 235,083.45 and 38,394.80 is: 57,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,722.30 : 235,083.45 = 38,394.80 : x
  2. Step 2: Convert to fraction form
    156,722.30/235,083.45 = 38,394.80/x
  3. Step 3: Cross multiply
    156,722.30x = 235,083.45 × 38,394.80
  4. Step 4: Simplify right side
    156,722.30x = 9,025,982,046.06
  5. Step 5: Solve for x
    x = 9,025,982,046.06/156,722.30
  6. Step 6: Final answer
    x = 57,592.20

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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.