Home / 117,775.19-176,595.66-80,380.53

Finding the Fourth Proportional to 117,775.19, 176,595.66 and 80,380.53

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Solution

The fourth proportional to 117,775.19, 176,595.66 and 80,380.53 is: 120,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,775.19 : 176,595.66 = 80,380.53 : x
  2. Step 2: Convert to fraction form
    117,775.19/176,595.66 = 80,380.53/x
  3. Step 3: Cross multiply
    117,775.19x = 176,595.66 × 80,380.53
  4. Step 4: Simplify right side
    117,775.19x = 14,194,852,746.50
  5. Step 5: Solve for x
    x = 14,194,852,746.50/117,775.19
  6. Step 6: Final answer
    x = 120,524.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.