Home / 117,948.16-162,766.20-64,232.56

Finding the Fourth Proportional to 117,948.16, 162,766.20 and 64,232.56

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Solution

The fourth proportional to 117,948.16, 162,766.20 and 64,232.56 is: 88,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,948.16 : 162,766.20 = 64,232.56 : x
  2. Step 2: Convert to fraction form
    117,948.16/162,766.20 = 64,232.56/x
  3. Step 3: Cross multiply
    117,948.16x = 162,766.20 × 64,232.56
  4. Step 4: Simplify right side
    117,948.16x = 10,454,889,707.47
  5. Step 5: Solve for x
    x = 10,454,889,707.47/117,948.16
  6. Step 6: Final answer
    x = 88,639.70

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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.