Home / 162,615.60-243,923.40-112,849.20

Finding the Fourth Proportional to 162,615.60, 243,923.40 and 112,849.20

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Solution

The fourth proportional to 162,615.60, 243,923.40 and 112,849.20 is: 169,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,615.60 : 243,923.40 = 112,849.20 : x
  2. Step 2: Convert to fraction form
    162,615.60/243,923.40 = 112,849.20/x
  3. Step 3: Cross multiply
    162,615.60x = 243,923.40 × 112,849.20
  4. Step 4: Simplify right side
    162,615.60x = 27,526,560,551.28
  5. Step 5: Solve for x
    x = 27,526,560,551.28/162,615.60
  6. Step 6: Final answer
    x = 169,273.80

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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.