Home / 112,885.74-168,996.45-75,352.72

Finding the Fourth Proportional to 112,885.74, 168,996.45 and 75,352.72

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Solution

The fourth proportional to 112,885.74, 168,996.45 and 75,352.72 is: 112,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,885.74 : 168,996.45 = 75,352.72 : x
  2. Step 2: Convert to fraction form
    112,885.74/168,996.45 = 75,352.72/x
  3. Step 3: Cross multiply
    112,885.74x = 168,996.45 × 75,352.72
  4. Step 4: Simplify right side
    112,885.74x = 12,734,342,177.84
  5. Step 5: Solve for x
    x = 12,734,342,177.84/112,885.74
  6. Step 6: Final answer
    x = 112,807.36

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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.