Home / 134,129.60-201,066.40-49,867.20

Finding the Fourth Proportional to 134,129.60, 201,066.40 and 49,867.20

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Solution

The fourth proportional to 134,129.60, 201,066.40 and 49,867.20 is: 74,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,129.60 : 201,066.40 = 49,867.20 : x
  2. Step 2: Convert to fraction form
    134,129.60/201,066.40 = 49,867.20/x
  3. Step 3: Cross multiply
    134,129.60x = 201,066.40 × 49,867.20
  4. Step 4: Simplify right side
    134,129.60x = 10,026,618,382.08
  5. Step 5: Solve for x
    x = 10,026,618,382.08/134,129.60
  6. Step 6: Final answer
    x = 74,753.21

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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.