Home / 99,340.40-148,959.30-29,210.60

Finding the Fourth Proportional to 99,340.40, 148,959.30 and 29,210.60

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Solution

The fourth proportional to 99,340.40, 148,959.30 and 29,210.60 is: 43,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,340.40 : 148,959.30 = 29,210.60 : x
  2. Step 2: Convert to fraction form
    99,340.40/148,959.30 = 29,210.60/x
  3. Step 3: Cross multiply
    99,340.40x = 148,959.30 × 29,210.60
  4. Step 4: Simplify right side
    99,340.40x = 4,351,190,528.58
  5. Step 5: Solve for x
    x = 4,351,190,528.58/99,340.40
  6. Step 6: Final answer
    x = 43,800.82

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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.