Home / 134,734.80-185,925.42-74,305.86

Finding the Fourth Proportional to 134,734.80, 185,925.42 and 74,305.86

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Solution

The fourth proportional to 134,734.80, 185,925.42 and 74,305.86 is: 102,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,734.80 : 185,925.42 = 74,305.86 : x
  2. Step 2: Convert to fraction form
    134,734.80/185,925.42 = 74,305.86/x
  3. Step 3: Cross multiply
    134,734.80x = 185,925.42 × 74,305.86
  4. Step 4: Simplify right side
    134,734.80x = 13,815,348,228.96
  5. Step 5: Solve for x
    x = 13,815,348,228.96/134,734.80
  6. Step 6: Final answer
    x = 102,537.34

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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.