Home / 162,562.10-243,843.15-117,979.70

Finding the Fourth Proportional to 162,562.10, 243,843.15 and 117,979.70

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Solution

The fourth proportional to 162,562.10, 243,843.15 and 117,979.70 is: 176,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,562.10 : 243,843.15 = 117,979.70 : x
  2. Step 2: Convert to fraction form
    162,562.10/243,843.15 = 117,979.70/x
  3. Step 3: Cross multiply
    162,562.10x = 243,843.15 × 117,979.70
  4. Step 4: Simplify right side
    162,562.10x = 28,768,541,684.06
  5. Step 5: Solve for x
    x = 28,768,541,684.06/162,562.10
  6. Step 6: Final answer
    x = 176,969.55

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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.