Home / 135,167.17-186,523.16-74,734.18

Finding the Fourth Proportional to 135,167.17, 186,523.16 and 74,734.18

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Solution

The fourth proportional to 135,167.17, 186,523.16 and 74,734.18 is: 103,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,167.17 : 186,523.16 = 74,734.18 : x
  2. Step 2: Convert to fraction form
    135,167.17/186,523.16 = 74,734.18/x
  3. Step 3: Cross multiply
    135,167.17x = 186,523.16 × 74,734.18
  4. Step 4: Simplify right side
    135,167.17x = 13,939,655,413.61
  5. Step 5: Solve for x
    x = 13,939,655,413.61/135,167.17
  6. Step 6: Final answer
    x = 103,129.00

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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.