Home / 112,818.52-155,599.87-95,878.83

Finding the Fourth Proportional to 112,818.52, 155,599.87 and 95,878.83

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Solution

The fourth proportional to 112,818.52, 155,599.87 and 95,878.83 is: 132,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,818.52 : 155,599.87 = 95,878.83 : x
  2. Step 2: Convert to fraction form
    112,818.52/155,599.87 = 95,878.83/x
  3. Step 3: Cross multiply
    112,818.52x = 155,599.87 × 95,878.83
  4. Step 4: Simplify right side
    112,818.52x = 14,918,733,483.75
  5. Step 5: Solve for x
    x = 14,918,733,483.75/112,818.52
  6. Step 6: Final answer
    x = 132,236.56

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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.