Home / 135,253.56-186,655.44-74,823.18

Finding the Fourth Proportional to 135,253.56, 186,655.44 and 74,823.18

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Solution

The fourth proportional to 135,253.56, 186,655.44 and 74,823.18 is: 103,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,253.56 : 186,655.44 = 74,823.18 : x
  2. Step 2: Convert to fraction form
    135,253.56/186,655.44 = 74,823.18/x
  3. Step 3: Cross multiply
    135,253.56x = 186,655.44 × 74,823.18
  4. Step 4: Simplify right side
    135,253.56x = 13,966,153,585.10
  5. Step 5: Solve for x
    x = 13,966,153,585.10/135,253.56
  6. Step 6: Final answer
    x = 103,259.05

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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.