Home / 162,448.20-243,688.58-55,818.11

Finding the Fourth Proportional to 162,448.20, 243,688.58 and 55,818.11

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Solution

The fourth proportional to 162,448.20, 243,688.58 and 55,818.11 is: 83,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,448.20 : 243,688.58 = 55,818.11 : x
  2. Step 2: Convert to fraction form
    162,448.20/243,688.58 = 55,818.11/x
  3. Step 3: Cross multiply
    162,448.20x = 243,688.58 × 55,818.11
  4. Step 4: Simplify right side
    162,448.20x = 13,602,236,817.61
  5. Step 5: Solve for x
    x = 13,602,236,817.61/162,448.20
  6. Step 6: Final answer
    x = 83,732.76

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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.