Home / 134,508.12-185,619.80-74,077.49

Finding the Fourth Proportional to 134,508.12, 185,619.80 and 74,077.49

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Solution

The fourth proportional to 134,508.12, 185,619.80 and 74,077.49 is: 102,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,508.12 : 185,619.80 = 74,077.49 : x
  2. Step 2: Convert to fraction form
    134,508.12/185,619.80 = 74,077.49/x
  3. Step 3: Cross multiply
    134,508.12x = 185,619.80 × 74,077.49
  4. Step 4: Simplify right side
    134,508.12x = 13,750,248,878.30
  5. Step 5: Solve for x
    x = 13,750,248,878.30/134,508.12
  6. Step 6: Final answer
    x = 102,226.16

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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.