Home / 106,140.94-159,080.18-53,565.46

Finding the Fourth Proportional to 106,140.94, 159,080.18 and 53,565.46

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Solution

The fourth proportional to 106,140.94, 159,080.18 and 53,565.46 is: 80,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140.94 : 159,080.18 = 53,565.46 : x
  2. Step 2: Convert to fraction form
    106,140.94/159,080.18 = 53,565.46/x
  3. Step 3: Cross multiply
    106,140.94x = 159,080.18 × 53,565.46
  4. Step 4: Simplify right side
    106,140.94x = 8,521,203,018.58
  5. Step 5: Solve for x
    x = 8,521,203,018.58/106,140.94
  6. Step 6: Final answer
    x = 80,281.96

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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.