Home / 163,439.95-225,545.77-91,818.44

Finding the Fourth Proportional to 163,439.95, 225,545.77 and 91,818.44

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Solution

The fourth proportional to 163,439.95, 225,545.77 and 91,818.44 is: 126,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,439.95 : 225,545.77 = 91,818.44 : x
  2. Step 2: Convert to fraction form
    163,439.95/225,545.77 = 91,818.44/x
  3. Step 3: Cross multiply
    163,439.95x = 225,545.77 × 91,818.44
  4. Step 4: Simplify right side
    163,439.95x = 20,709,260,750.00
  5. Step 5: Solve for x
    x = 20,709,260,750.00/163,439.95
  6. Step 6: Final answer
    x = 126,708.68

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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.