Home / 156,636.90-234,955.35-38,306.70

Finding the Fourth Proportional to 156,636.90, 234,955.35 and 38,306.70

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Solution

The fourth proportional to 156,636.90, 234,955.35 and 38,306.70 is: 57,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,636.90 : 234,955.35 = 38,306.70 : x
  2. Step 2: Convert to fraction form
    156,636.90/234,955.35 = 38,306.70/x
  3. Step 3: Cross multiply
    156,636.90x = 234,955.35 × 38,306.70
  4. Step 4: Simplify right side
    156,636.90x = 9,000,364,105.85
  5. Step 5: Solve for x
    x = 9,000,364,105.85/156,636.90
  6. Step 6: Final answer
    x = 57,460.05

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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.