Home / 112,515.76-155,271.18-62,214.76

Finding the Fourth Proportional to 112,515.76, 155,271.18 and 62,214.76

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Solution

The fourth proportional to 112,515.76, 155,271.18 and 62,214.76 is: 85,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,515.76 : 155,271.18 = 62,214.76 : x
  2. Step 2: Convert to fraction form
    112,515.76/155,271.18 = 62,214.76/x
  3. Step 3: Cross multiply
    112,515.76x = 155,271.18 × 62,214.76
  4. Step 4: Simplify right side
    112,515.76x = 9,660,159,198.62
  5. Step 5: Solve for x
    x = 9,660,159,198.62/112,515.76
  6. Step 6: Final answer
    x = 85,856.05

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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.