Home / 156,031.20-234,046.80-93,045.60

Finding the Fourth Proportional to 156,031.20, 234,046.80 and 93,045.60

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Solution

The fourth proportional to 156,031.20, 234,046.80 and 93,045.60 is: 139,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,031.20 : 234,046.80 = 93,045.60 : x
  2. Step 2: Convert to fraction form
    156,031.20/234,046.80 = 93,045.60/x
  3. Step 3: Cross multiply
    156,031.20x = 234,046.80 × 93,045.60
  4. Step 4: Simplify right side
    156,031.20x = 21,777,024,934.08
  5. Step 5: Solve for x
    x = 21,777,024,934.08/156,031.20
  6. Step 6: Final answer
    x = 139,568.40

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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.