Home / 163,230.47-225,280.03-91,614.41

Finding the Fourth Proportional to 163,230.47, 225,280.03 and 91,614.41

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Solution

The fourth proportional to 163,230.47, 225,280.03 and 91,614.41 is: 126,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,230.47 : 225,280.03 = 91,614.41 : x
  2. Step 2: Convert to fraction form
    163,230.47/225,280.03 = 91,614.41/x
  3. Step 3: Cross multiply
    163,230.47x = 225,280.03 × 91,614.41
  4. Step 4: Simplify right side
    163,230.47x = 20,638,895,677.80
  5. Step 5: Solve for x
    x = 20,638,895,677.80/163,230.47
  6. Step 6: Final answer
    x = 126,440.22

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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.