Home / 257,907.10-386,532.60-124,500.10

Finding the Fourth Proportional to 257,907.10, 386,532.60 and 124,500.10

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Solution

The fourth proportional to 257,907.10, 386,532.60 and 124,500.10 is: 186,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,907.10 : 386,532.60 = 124,500.10 : x
  2. Step 2: Convert to fraction form
    257,907.10/386,532.60 = 124,500.10/x
  3. Step 3: Cross multiply
    257,907.10x = 386,532.60 × 124,500.10
  4. Step 4: Simplify right side
    257,907.10x = 48,123,347,353.26
  5. Step 5: Solve for x
    x = 48,123,347,353.26/257,907.10
  6. Step 6: Final answer
    x = 186,591.79

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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.