Home / 112,141.30-168,039.15-94,515.70

Finding the Fourth Proportional to 112,141.30, 168,039.15 and 94,515.70

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Solution

The fourth proportional to 112,141.30, 168,039.15 and 94,515.70 is: 141,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,141.30 : 168,039.15 = 94,515.70 : x
  2. Step 2: Convert to fraction form
    112,141.30/168,039.15 = 94,515.70/x
  3. Step 3: Cross multiply
    112,141.30x = 168,039.15 × 94,515.70
  4. Step 4: Simplify right side
    112,141.30x = 15,882,337,889.66
  5. Step 5: Solve for x
    x = 15,882,337,889.66/112,141.30
  6. Step 6: Final answer
    x = 141,627.91

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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.