Home / 112,382.10-168,573.15-76,952.70

Finding the Fourth Proportional to 112,382.10, 168,573.15 and 76,952.70

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Solution

The fourth proportional to 112,382.10, 168,573.15 and 76,952.70 is: 115,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,382.10 : 168,573.15 = 76,952.70 : x
  2. Step 2: Convert to fraction form
    112,382.10/168,573.15 = 76,952.70/x
  3. Step 3: Cross multiply
    112,382.10x = 168,573.15 × 76,952.70
  4. Step 4: Simplify right side
    112,382.10x = 12,972,159,040.01
  5. Step 5: Solve for x
    x = 12,972,159,040.01/112,382.10
  6. Step 6: Final answer
    x = 115,429.05

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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.