Home / 156,964.90-235,447.35-93,979.30

Finding the Fourth Proportional to 156,964.90, 235,447.35 and 93,979.30

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Solution

The fourth proportional to 156,964.90, 235,447.35 and 93,979.30 is: 140,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.90 : 235,447.35 = 93,979.30 : x
  2. Step 2: Convert to fraction form
    156,964.90/235,447.35 = 93,979.30/x
  3. Step 3: Cross multiply
    156,964.90x = 235,447.35 × 93,979.30
  4. Step 4: Simplify right side
    156,964.90x = 22,127,177,139.86
  5. Step 5: Solve for x
    x = 22,127,177,139.86/156,964.90
  6. Step 6: Final answer
    x = 140,968.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.