Home / 179,116.72-247,098.36-115,475.02

Finding the Fourth Proportional to 179,116.72, 247,098.36 and 115,475.02

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Solution

The fourth proportional to 179,116.72, 247,098.36 and 115,475.02 is: 159,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,116.72 : 247,098.36 = 115,475.02 : x
  2. Step 2: Convert to fraction form
    179,116.72/247,098.36 = 115,475.02/x
  3. Step 3: Cross multiply
    179,116.72x = 247,098.36 × 115,475.02
  4. Step 4: Simplify right side
    179,116.72x = 28,533,688,062.97
  5. Step 5: Solve for x
    x = 28,533,688,062.97/179,116.72
  6. Step 6: Final answer
    x = 159,302.20

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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.