Home / 99,204.40-148,806.60-91,601.20

Finding the Fourth Proportional to 99,204.40, 148,806.60 and 91,601.20

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Solution

The fourth proportional to 99,204.40, 148,806.60 and 91,601.20 is: 137,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,204.40 : 148,806.60 = 91,601.20 : x
  2. Step 2: Convert to fraction form
    99,204.40/148,806.60 = 91,601.20/x
  3. Step 3: Cross multiply
    99,204.40x = 148,806.60 × 91,601.20
  4. Step 4: Simplify right side
    99,204.40x = 13,630,863,127.92
  5. Step 5: Solve for x
    x = 13,630,863,127.92/99,204.40
  6. Step 6: Final answer
    x = 137,401.80

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1.5x scale

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.