Home / 150,909.20-226,363.80-76,000.40

Finding the Fourth Proportional to 150,909.20, 226,363.80 and 76,000.40

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Solution

The fourth proportional to 150,909.20, 226,363.80 and 76,000.40 is: 114,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,909.20 : 226,363.80 = 76,000.40 : x
  2. Step 2: Convert to fraction form
    150,909.20/226,363.80 = 76,000.40/x
  3. Step 3: Cross multiply
    150,909.20x = 226,363.80 × 76,000.40
  4. Step 4: Simplify right side
    150,909.20x = 17,203,739,345.52
  5. Step 5: Solve for x
    x = 17,203,739,345.52/150,909.20
  6. Step 6: Final answer
    x = 114,000.60

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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.