Home / 257,528.20-386,292.30-247,030.60

Finding the Fourth Proportional to 257,528.20, 386,292.30 and 247,030.60

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Solution

The fourth proportional to 257,528.20, 386,292.30 and 247,030.60 is: 370,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,528.20 : 386,292.30 = 247,030.60 : x
  2. Step 2: Convert to fraction form
    257,528.20/386,292.30 = 247,030.60/x
  3. Step 3: Cross multiply
    257,528.20x = 386,292.30 × 247,030.60
  4. Step 4: Simplify right side
    257,528.20x = 95,426,018,644.38
  5. Step 5: Solve for x
    x = 95,426,018,644.38/257,528.20
  6. Step 6: Final answer
    x = 370,545.90

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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.