Home / 257,924.10-386,886.15-108,114.60

Finding the Fourth Proportional to 257,924.10, 386,886.15 and 108,114.60

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Solution

The fourth proportional to 257,924.10, 386,886.15 and 108,114.60 is: 162,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,924.10 : 386,886.15 = 108,114.60 : x
  2. Step 2: Convert to fraction form
    257,924.10/386,886.15 = 108,114.60/x
  3. Step 3: Cross multiply
    257,924.10x = 386,886.15 × 108,114.60
  4. Step 4: Simplify right side
    257,924.10x = 41,828,041,352.79
  5. Step 5: Solve for x
    x = 41,828,041,352.79/257,924.10
  6. Step 6: Final answer
    x = 162,171.90

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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.