Home / 119,475.56-179,152.86-66,870.92

Finding the Fourth Proportional to 119,475.56, 179,152.86 and 66,870.92

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Solution

The fourth proportional to 119,475.56, 179,152.86 and 66,870.92 is: 100,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,475.56 : 179,152.86 = 66,870.92 : x
  2. Step 2: Convert to fraction form
    119,475.56/179,152.86 = 66,870.92/x
  3. Step 3: Cross multiply
    119,475.56x = 179,152.86 × 66,870.92
  4. Step 4: Simplify right side
    119,475.56x = 11,980,116,568.83
  5. Step 5: Solve for x
    x = 11,980,116,568.83/119,475.56
  6. Step 6: Final answer
    x = 100,272.53

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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.