Home / 156,994.60-216,576.37-93,287.29

Finding the Fourth Proportional to 156,994.60, 216,576.37 and 93,287.29

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Solution

The fourth proportional to 156,994.60, 216,576.37 and 93,287.29 is: 128,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,994.60 : 216,576.37 = 93,287.29 : x
  2. Step 2: Convert to fraction form
    156,994.60/216,576.37 = 93,287.29/x
  3. Step 3: Cross multiply
    156,994.60x = 216,576.37 × 93,287.29
  4. Step 4: Simplify right side
    156,994.60x = 20,203,822,635.34
  5. Step 5: Solve for x
    x = 20,203,822,635.34/156,994.60
  6. Step 6: Final answer
    x = 128,691.19

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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.