Home / 112,531.60-155,274.60-70,103.44

Finding the Fourth Proportional to 112,531.60, 155,274.60 and 70,103.44

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Solution

The fourth proportional to 112,531.60, 155,274.60 and 70,103.44 is: 96,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,531.60 : 155,274.60 = 70,103.44 : x
  2. Step 2: Convert to fraction form
    112,531.60/155,274.60 = 70,103.44/x
  3. Step 3: Cross multiply
    112,531.60x = 155,274.60 × 70,103.44
  4. Step 4: Simplify right side
    112,531.60x = 10,885,283,604.62
  5. Step 5: Solve for x
    x = 10,885,283,604.62/112,531.60
  6. Step 6: Final answer
    x = 96,730.91

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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.