Home / 112,515.30-168,546.15-70,265.70

Finding the Fourth Proportional to 112,515.30, 168,546.15 and 70,265.70

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Solution

The fourth proportional to 112,515.30, 168,546.15 and 70,265.70 is: 105,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,515.30 : 168,546.15 = 70,265.70 : x
  2. Step 2: Convert to fraction form
    112,515.30/168,546.15 = 70,265.70/x
  3. Step 3: Cross multiply
    112,515.30x = 168,546.15 × 70,265.70
  4. Step 4: Simplify right side
    112,515.30x = 11,843,013,212.06
  5. Step 5: Solve for x
    x = 11,843,013,212.06/112,515.30
  6. Step 6: Final answer
    x = 105,256.91

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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.