Home / 112,518.51-155,275.16-62,217.51

Finding the Fourth Proportional to 112,518.51, 155,275.16 and 62,217.51

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Solution

The fourth proportional to 112,518.51, 155,275.16 and 62,217.51 is: 85,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,518.51 : 155,275.16 = 62,217.51 : x
  2. Step 2: Convert to fraction form
    112,518.51/155,275.16 = 62,217.51/x
  3. Step 3: Cross multiply
    112,518.51x = 155,275.16 × 62,217.51
  4. Step 4: Simplify right side
    112,518.51x = 9,660,833,508.96
  5. Step 5: Solve for x
    x = 9,660,833,508.96/112,518.51
  6. Step 6: Final answer
    x = 85,859.95

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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.