Home / 372,119.10-558,178.65-267,143.10

Finding the Fourth Proportional to 372,119.10, 558,178.65 and 267,143.10

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Solution

The fourth proportional to 372,119.10, 558,178.65 and 267,143.10 is: 400,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,119.10 : 558,178.65 = 267,143.10 : x
  2. Step 2: Convert to fraction form
    372,119.10/558,178.65 = 267,143.10/x
  3. Step 3: Cross multiply
    372,119.10x = 558,178.65 × 267,143.10
  4. Step 4: Simplify right side
    372,119.10x = 149,113,574,914.82
  5. Step 5: Solve for x
    x = 149,113,574,914.82/372,119.10
  6. Step 6: Final answer
    x = 400,714.65

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Similar ratio
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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.