Home / 162,186.20-243,279.30-153,000.80

Finding the Fourth Proportional to 162,186.20, 243,279.30 and 153,000.80

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Solution

The fourth proportional to 162,186.20, 243,279.30 and 153,000.80 is: 229,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,186.20 : 243,279.30 = 153,000.80 : x
  2. Step 2: Convert to fraction form
    162,186.20/243,279.30 = 153,000.80/x
  3. Step 3: Cross multiply
    162,186.20x = 243,279.30 × 153,000.80
  4. Step 4: Simplify right side
    162,186.20x = 37,221,927,523.44
  5. Step 5: Solve for x
    x = 37,221,927,523.44/162,186.20
  6. Step 6: Final answer
    x = 229,501.20

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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.