Home / 106,232.80-159,349.20-99,234.40

Finding the Fourth Proportional to 106,232.80, 159,349.20 and 99,234.40

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Solution

The fourth proportional to 106,232.80, 159,349.20 and 99,234.40 is: 148,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,232.80 : 159,349.20 = 99,234.40 : x
  2. Step 2: Convert to fraction form
    106,232.80/159,349.20 = 99,234.40/x
  3. Step 3: Cross multiply
    106,232.80x = 159,349.20 × 99,234.40
  4. Step 4: Simplify right side
    106,232.80x = 15,812,922,252.48
  5. Step 5: Solve for x
    x = 15,812,922,252.48/106,232.80
  6. Step 6: Final answer
    x = 148,851.60

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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.