Home / 163,333.27-225,399.13-91,719.55

Finding the Fourth Proportional to 163,333.27, 225,399.13 and 91,719.55

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Solution

The fourth proportional to 163,333.27, 225,399.13 and 91,719.55 is: 126,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,333.27 : 225,399.13 = 91,719.55 : x
  2. Step 2: Convert to fraction form
    163,333.27/225,399.13 = 91,719.55/x
  3. Step 3: Cross multiply
    163,333.27x = 225,399.13 × 91,719.55
  4. Step 4: Simplify right side
    163,333.27x = 20,673,506,773.99
  5. Step 5: Solve for x
    x = 20,673,506,773.99/163,333.27
  6. Step 6: Final answer
    x = 126,572.54

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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.