Home / 99,308.40-148,966.20-29,194.80

Finding the Fourth Proportional to 99,308.40, 148,966.20 and 29,194.80

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Solution

The fourth proportional to 99,308.40, 148,966.20 and 29,194.80 is: 43,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,308.40 : 148,966.20 = 29,194.80 : x
  2. Step 2: Convert to fraction form
    99,308.40/148,966.20 = 29,194.80/x
  3. Step 3: Cross multiply
    99,308.40x = 148,966.20 × 29,194.80
  4. Step 4: Simplify right side
    99,308.40x = 4,349,038,415.76
  5. Step 5: Solve for x
    x = 4,349,038,415.76/99,308.40
  6. Step 6: Final answer
    x = 43,793.26

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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.