Home / 205,716.03-283,915.40-115,106.73

Finding the Fourth Proportional to 205,716.03, 283,915.40 and 115,106.73

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Solution

The fourth proportional to 205,716.03, 283,915.40 and 115,106.73 is: 158,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,716.03 : 283,915.40 = 115,106.73 : x
  2. Step 2: Convert to fraction form
    205,716.03/283,915.40 = 115,106.73/x
  3. Step 3: Cross multiply
    205,716.03x = 283,915.40 × 115,106.73
  4. Step 4: Simplify right side
    205,716.03x = 32,680,572,715.11
  5. Step 5: Solve for x
    x = 32,680,572,715.11/205,716.03
  6. Step 6: Final answer
    x = 158,862.55

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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.