Home / 113,193.16-156,141.50-70,677.88

Finding the Fourth Proportional to 113,193.16, 156,141.50 and 70,677.88

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Solution

The fourth proportional to 113,193.16, 156,141.50 and 70,677.88 is: 97,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,193.16 : 156,141.50 = 70,677.88 : x
  2. Step 2: Convert to fraction form
    113,193.16/156,141.50 = 70,677.88/x
  3. Step 3: Cross multiply
    113,193.16x = 156,141.50 × 70,677.88
  4. Step 4: Simplify right side
    113,193.16x = 11,035,750,200.02
  5. Step 5: Solve for x
    x = 11,035,750,200.02/113,193.16
  6. Step 6: Final answer
    x = 97,494.85

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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.