Home / 112,015.40-168,023.10-92,575.40

Finding the Fourth Proportional to 112,015.40, 168,023.10 and 92,575.40

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Solution

The fourth proportional to 112,015.40, 168,023.10 and 92,575.40 is: 138,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.40 : 168,023.10 = 92,575.40 : x
  2. Step 2: Convert to fraction form
    112,015.40/168,023.10 = 92,575.40/x
  3. Step 3: Cross multiply
    112,015.40x = 168,023.10 × 92,575.40
  4. Step 4: Simplify right side
    112,015.40x = 15,554,805,691.74
  5. Step 5: Solve for x
    x = 15,554,805,691.74/112,015.40
  6. Step 6: Final answer
    x = 138,863.10

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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.