Home / 134,486.10-185,590.85-74,056.59

Finding the Fourth Proportional to 134,486.10, 185,590.85 and 74,056.59

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Solution

The fourth proportional to 134,486.10, 185,590.85 and 74,056.59 is: 102,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,486.10 : 185,590.85 = 74,056.59 : x
  2. Step 2: Convert to fraction form
    134,486.10/185,590.85 = 74,056.59/x
  3. Step 3: Cross multiply
    134,486.10x = 185,590.85 × 74,056.59
  4. Step 4: Simplify right side
    134,486.10x = 13,744,225,115.92
  5. Step 5: Solve for x
    x = 13,744,225,115.92/134,486.10
  6. Step 6: Final answer
    x = 102,198.11

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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.