Home / 163,613.66-225,803.90-99,993.83

Finding the Fourth Proportional to 163,613.66, 225,803.90 and 99,993.83

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Solution

The fourth proportional to 163,613.66, 225,803.90 and 99,993.83 is: 138,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,613.66 : 225,803.90 = 99,993.83 : x
  2. Step 2: Convert to fraction form
    163,613.66/225,803.90 = 99,993.83/x
  3. Step 3: Cross multiply
    163,613.66x = 225,803.90 × 99,993.83
  4. Step 4: Simplify right side
    163,613.66x = 22,578,995,910.90
  5. Step 5: Solve for x
    x = 22,578,995,910.90/163,613.66
  6. Step 6: Final answer
    x = 138,001.90

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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.