Home / 133,052.40-199,870.20-98,215.92

Finding the Fourth Proportional to 133,052.40, 199,870.20 and 98,215.92

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Solution

The fourth proportional to 133,052.40, 199,870.20 and 98,215.92 is: 147,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.40 : 199,870.20 = 98,215.92 : x
  2. Step 2: Convert to fraction form
    133,052.40/199,870.20 = 98,215.92/x
  3. Step 3: Cross multiply
    133,052.40x = 199,870.20 × 98,215.92
  4. Step 4: Simplify right side
    133,052.40x = 19,630,435,573.58
  5. Step 5: Solve for x
    x = 19,630,435,573.58/133,052.40
  6. Step 6: Final answer
    x = 147,539.13

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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.