Home / 99,623.60-149,304.20-73,204.40

Finding the Fourth Proportional to 99,623.60, 149,304.20 and 73,204.40

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Solution

The fourth proportional to 99,623.60, 149,304.20 and 73,204.40 is: 109,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623.60 : 149,304.20 = 73,204.40 : x
  2. Step 2: Convert to fraction form
    99,623.60/149,304.20 = 73,204.40/x
  3. Step 3: Cross multiply
    99,623.60x = 149,304.20 × 73,204.40
  4. Step 4: Simplify right side
    99,623.60x = 10,929,724,378.48
  5. Step 5: Solve for x
    x = 10,929,724,378.48/99,623.60
  6. Step 6: Final answer
    x = 109,710.19

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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.