Home / 113,173.74-156,193.29-67,876.56

Finding the Fourth Proportional to 113,173.74, 156,193.29 and 67,876.56

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Solution

The fourth proportional to 113,173.74, 156,193.29 and 67,876.56 is: 93,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,173.74 : 156,193.29 = 67,876.56 : x
  2. Step 2: Convert to fraction form
    113,173.74/156,193.29 = 67,876.56/x
  3. Step 3: Cross multiply
    113,173.74x = 156,193.29 × 67,876.56
  4. Step 4: Simplify right side
    113,173.74x = 10,601,863,220.28
  5. Step 5: Solve for x
    x = 10,601,863,220.28/113,173.74
  6. Step 6: Final answer
    x = 93,677.77

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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.