Home / 163,931.26-226,219.02-91,332.43

Finding the Fourth Proportional to 163,931.26, 226,219.02 and 91,332.43

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Solution

The fourth proportional to 163,931.26, 226,219.02 and 91,332.43 is: 126,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,931.26 : 226,219.02 = 91,332.43 : x
  2. Step 2: Convert to fraction form
    163,931.26/226,219.02 = 91,332.43/x
  3. Step 3: Cross multiply
    163,931.26x = 226,219.02 × 91,332.43
  4. Step 4: Simplify right side
    163,931.26x = 20,661,132,808.82
  5. Step 5: Solve for x
    x = 20,661,132,808.82/163,931.26
  6. Step 6: Final answer
    x = 126,035.34

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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.