Home / 117,680.57-162,382.28-69,253.71

Finding the Fourth Proportional to 117,680.57, 162,382.28 and 69,253.71

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Solution

The fourth proportional to 117,680.57, 162,382.28 and 69,253.71 is: 95,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,680.57 : 162,382.28 = 69,253.71 : x
  2. Step 2: Convert to fraction form
    117,680.57/162,382.28 = 69,253.71/x
  3. Step 3: Cross multiply
    117,680.57x = 162,382.28 × 69,253.71
  4. Step 4: Simplify right side
    117,680.57x = 11,245,575,328.26
  5. Step 5: Solve for x
    x = 11,245,575,328.26/117,680.57
  6. Step 6: Final answer
    x = 95,560.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.