Home / 113,492.45-156,572.57-67,542.90

Finding the Fourth Proportional to 113,492.45, 156,572.57 and 67,542.90

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Solution

The fourth proportional to 113,492.45, 156,572.57 and 67,542.90 is: 93,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,492.45 : 156,572.57 = 67,542.90 : x
  2. Step 2: Convert to fraction form
    113,492.45/156,572.57 = 67,542.90/x
  3. Step 3: Cross multiply
    113,492.45x = 156,572.57 × 67,542.90
  4. Step 4: Simplify right side
    113,492.45x = 10,575,365,438.25
  5. Step 5: Solve for x
    x = 10,575,365,438.25/113,492.45
  6. Step 6: Final answer
    x = 93,181.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.