Home / 130,590.04-179,961.60-88,074.76

Finding the Fourth Proportional to 130,590.04, 179,961.60 and 88,074.76

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Solution

The fourth proportional to 130,590.04, 179,961.60 and 88,074.76 is: 121,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,590.04 : 179,961.60 = 88,074.76 : x
  2. Step 2: Convert to fraction form
    130,590.04/179,961.60 = 88,074.76/x
  3. Step 3: Cross multiply
    130,590.04x = 179,961.60 × 88,074.76
  4. Step 4: Simplify right side
    130,590.04x = 15,850,074,729.22
  5. Step 5: Solve for x
    x = 15,850,074,729.22/130,590.04
  6. Step 6: Final answer
    x = 121,372.77

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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.