Home / 112,160.43-154,775.91-66,837.41

Finding the Fourth Proportional to 112,160.43, 154,775.91 and 66,837.41

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Solution

The fourth proportional to 112,160.43, 154,775.91 and 66,837.41 is: 92,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,160.43 : 154,775.91 = 66,837.41 : x
  2. Step 2: Convert to fraction form
    112,160.43/154,775.91 = 66,837.41/x
  3. Step 3: Cross multiply
    112,160.43x = 154,775.91 × 66,837.41
  4. Step 4: Simplify right side
    112,160.43x = 10,344,820,180.91
  5. Step 5: Solve for x
    x = 10,344,820,180.91/112,160.43
  6. Step 6: Final answer
    x = 92,232.35

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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.