Home / 99,019.20-148,528.80-94,180.80

Finding the Fourth Proportional to 99,019.20, 148,528.80 and 94,180.80

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Solution

The fourth proportional to 99,019.20, 148,528.80 and 94,180.80 is: 141,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,019.20 : 148,528.80 = 94,180.80 : x
  2. Step 2: Convert to fraction form
    99,019.20/148,528.80 = 94,180.80/x
  3. Step 3: Cross multiply
    99,019.20x = 148,528.80 × 94,180.80
  4. Step 4: Simplify right side
    99,019.20x = 13,988,561,207.04
  5. Step 5: Solve for x
    x = 13,988,561,207.04/99,019.20
  6. Step 6: Final answer
    x = 141,271.20

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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.