Home / 112,160.71-154,776.33-66,837.70

Finding the Fourth Proportional to 112,160.71, 154,776.33 and 66,837.70

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Solution

The fourth proportional to 112,160.71, 154,776.33 and 66,837.70 is: 92,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,160.71 : 154,776.33 = 66,837.70 : x
  2. Step 2: Convert to fraction form
    112,160.71/154,776.33 = 66,837.70/x
  3. Step 3: Cross multiply
    112,160.71x = 154,776.33 × 66,837.70
  4. Step 4: Simplify right side
    112,160.71x = 10,344,893,911.64
  5. Step 5: Solve for x
    x = 10,344,893,911.64/112,160.71
  6. Step 6: Final answer
    x = 92,232.78

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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.