Home / 106,531.32-159,643.56-73,288.92

Finding the Fourth Proportional to 106,531.32, 159,643.56 and 73,288.92

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Solution

The fourth proportional to 106,531.32, 159,643.56 and 73,288.92 is: 109,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531.32 : 159,643.56 = 73,288.92 : x
  2. Step 2: Convert to fraction form
    106,531.32/159,643.56 = 73,288.92/x
  3. Step 3: Cross multiply
    106,531.32x = 159,643.56 × 73,288.92
  4. Step 4: Simplify right side
    106,531.32x = 11,700,104,097.36
  5. Step 5: Solve for x
    x = 11,700,104,097.36/106,531.32
  6. Step 6: Final answer
    x = 109,827.83

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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.