Home / 162,643.60-243,964.05-44,314.75

Finding the Fourth Proportional to 162,643.60, 243,964.05 and 44,314.75

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Solution

The fourth proportional to 162,643.60, 243,964.05 and 44,314.75 is: 66,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,643.60 : 243,964.05 = 44,314.75 : x
  2. Step 2: Convert to fraction form
    162,643.60/243,964.05 = 44,314.75/x
  3. Step 3: Cross multiply
    162,643.60x = 243,964.05 × 44,314.75
  4. Step 4: Simplify right side
    162,643.60x = 10,811,205,884.74
  5. Step 5: Solve for x
    x = 10,811,205,884.74/162,643.60
  6. Step 6: Final answer
    x = 66,471.76

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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.