Home / 174,345.18-261,517.79-69,164.15

Finding the Fourth Proportional to 174,345.18, 261,517.79 and 69,164.15

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Solution

The fourth proportional to 174,345.18, 261,517.79 and 69,164.15 is: 103,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,345.18 : 261,517.79 = 69,164.15 : x
  2. Step 2: Convert to fraction form
    174,345.18/261,517.79 = 69,164.15/x
  3. Step 3: Cross multiply
    174,345.18x = 261,517.79 × 69,164.15
  4. Step 4: Simplify right side
    174,345.18x = 18,087,655,963.20
  5. Step 5: Solve for x
    x = 18,087,655,963.20/174,345.18
  6. Step 6: Final answer
    x = 103,746.23

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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.