Home / 119,531.76-179,325.72-66,977.52

Finding the Fourth Proportional to 119,531.76, 179,325.72 and 66,977.52

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Solution

The fourth proportional to 119,531.76, 179,325.72 and 66,977.52 is: 100,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,531.76 : 179,325.72 = 66,977.52 : x
  2. Step 2: Convert to fraction form
    119,531.76/179,325.72 = 66,977.52/x
  3. Step 3: Cross multiply
    119,531.76x = 179,325.72 × 66,977.52
  4. Step 4: Simplify right side
    119,531.76x = 12,010,791,997.81
  5. Step 5: Solve for x
    x = 12,010,791,997.81/119,531.76
  6. Step 6: Final answer
    x = 100,482.01

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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.