Home / 162,146.73-243,088.62-67,447.76

Finding the Fourth Proportional to 162,146.73, 243,088.62 and 67,447.76

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Solution

The fourth proportional to 162,146.73, 243,088.62 and 67,447.76 is: 101,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,146.73 : 243,088.62 = 67,447.76 : x
  2. Step 2: Convert to fraction form
    162,146.73/243,088.62 = 67,447.76/x
  3. Step 3: Cross multiply
    162,146.73x = 243,088.62 × 67,447.76
  4. Step 4: Simplify right side
    162,146.73x = 16,395,782,900.49
  5. Step 5: Solve for x
    x = 16,395,782,900.49/162,146.73
  6. Step 6: Final answer
    x = 101,116.95

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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.