Home / 113,197.02-156,119.17-70,146.60

Finding the Fourth Proportional to 113,197.02, 156,119.17 and 70,146.60

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Solution

The fourth proportional to 113,197.02, 156,119.17 and 70,146.60 is: 96,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,197.02 : 156,119.17 = 70,146.60 : x
  2. Step 2: Convert to fraction form
    113,197.02/156,119.17 = 70,146.60/x
  3. Step 3: Cross multiply
    113,197.02x = 156,119.17 × 70,146.60
  4. Step 4: Simplify right side
    113,197.02x = 10,951,228,970.32
  5. Step 5: Solve for x
    x = 10,951,228,970.32/113,197.02
  6. Step 6: Final answer
    x = 96,744.85

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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.