Home / 162,341.28-243,512.19-67,570.20

Finding the Fourth Proportional to 162,341.28, 243,512.19 and 67,570.20

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Solution

The fourth proportional to 162,341.28, 243,512.19 and 67,570.20 is: 101,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,341.28 : 243,512.19 = 67,570.20 : x
  2. Step 2: Convert to fraction form
    162,341.28/243,512.19 = 67,570.20/x
  3. Step 3: Cross multiply
    162,341.28x = 243,512.19 × 67,570.20
  4. Step 4: Simplify right side
    162,341.28x = 16,454,167,380.74
  5. Step 5: Solve for x
    x = 16,454,167,380.74/162,341.28
  6. Step 6: Final answer
    x = 101,355.41

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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.