Home / 176,259.38-243,147.84-112,530.20

Finding the Fourth Proportional to 176,259.38, 243,147.84 and 112,530.20

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Solution

The fourth proportional to 176,259.38, 243,147.84 and 112,530.20 is: 155,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,259.38 : 243,147.84 = 112,530.20 : x
  2. Step 2: Convert to fraction form
    176,259.38/243,147.84 = 112,530.20/x
  3. Step 3: Cross multiply
    176,259.38x = 243,147.84 × 112,530.20
  4. Step 4: Simplify right side
    176,259.38x = 27,361,475,064.77
  5. Step 5: Solve for x
    x = 27,361,475,064.77/176,259.38
  6. Step 6: Final answer
    x = 155,234.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.