Home / 162,008.55-243,012.83-99,022.95

Finding the Fourth Proportional to 162,008.55, 243,012.83 and 99,022.95

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Solution

The fourth proportional to 162,008.55, 243,012.83 and 99,022.95 is: 148,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008.55 : 243,012.83 = 99,022.95 : x
  2. Step 2: Convert to fraction form
    162,008.55/243,012.83 = 99,022.95/x
  3. Step 3: Cross multiply
    162,008.55x = 243,012.83 × 99,022.95
  4. Step 4: Simplify right side
    162,008.55x = 24,063,846,819.33
  5. Step 5: Solve for x
    x = 24,063,846,819.33/162,008.55
  6. Step 6: Final answer
    x = 148,534.43

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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.