Home / 106,332.80-159,499.20-99,334.40

Finding the Fourth Proportional to 106,332.80, 159,499.20 and 99,334.40

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Solution

The fourth proportional to 106,332.80, 159,499.20 and 99,334.40 is: 149,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,332.80 : 159,499.20 = 99,334.40 : x
  2. Step 2: Convert to fraction form
    106,332.80/159,499.20 = 99,334.40/x
  3. Step 3: Cross multiply
    106,332.80x = 159,499.20 × 99,334.40
  4. Step 4: Simplify right side
    106,332.80x = 15,843,757,332.48
  5. Step 5: Solve for x
    x = 15,843,757,332.48/106,332.80
  6. Step 6: Final answer
    x = 149,001.60

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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.