Home / 475,228.52-712,844.25-120,242.48

Finding the Fourth Proportional to 475,228.52, 712,844.25 and 120,242.48

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Solution

The fourth proportional to 475,228.52, 712,844.25 and 120,242.48 is: 180,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,228.52 : 712,844.25 = 120,242.48 : x
  2. Step 2: Convert to fraction form
    475,228.52/712,844.25 = 120,242.48/x
  3. Step 3: Cross multiply
    475,228.52x = 712,844.25 × 120,242.48
  4. Step 4: Simplify right side
    475,228.52x = 85,714,156,458.61
  5. Step 5: Solve for x
    x = 85,714,156,458.61/475,228.52
  6. Step 6: Final answer
    x = 180,364.08

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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.