Home / 134,686.32-185,867.56-74,255.64

Finding the Fourth Proportional to 134,686.32, 185,867.56 and 74,255.64

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Solution

The fourth proportional to 134,686.32, 185,867.56 and 74,255.64 is: 102,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,686.32 : 185,867.56 = 74,255.64 : x
  2. Step 2: Convert to fraction form
    134,686.32/185,867.56 = 74,255.64/x
  3. Step 3: Cross multiply
    134,686.32x = 185,867.56 × 74,255.64
  4. Step 4: Simplify right side
    134,686.32x = 13,801,714,623.04
  5. Step 5: Solve for x
    x = 13,801,714,623.04/134,686.32
  6. Step 6: Final answer
    x = 102,473.02

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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.