Home / 162,515.10-243,772.65-117,932.70

Finding the Fourth Proportional to 162,515.10, 243,772.65 and 117,932.70

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Solution

The fourth proportional to 162,515.10, 243,772.65 and 117,932.70 is: 176,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,515.10 : 243,772.65 = 117,932.70 : x
  2. Step 2: Convert to fraction form
    162,515.10/243,772.65 = 117,932.70/x
  3. Step 3: Cross multiply
    162,515.10x = 243,772.65 × 117,932.70
  4. Step 4: Simplify right side
    162,515.10x = 28,748,766,800.66
  5. Step 5: Solve for x
    x = 28,748,766,800.66/162,515.10
  6. Step 6: Final answer
    x = 176,899.05

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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.