Home / 166,685.49-230,058.77-126,328.86

Finding the Fourth Proportional to 166,685.49, 230,058.77 and 126,328.86

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Solution

The fourth proportional to 166,685.49, 230,058.77 and 126,328.86 is: 174,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,685.49 : 230,058.77 = 126,328.86 : x
  2. Step 2: Convert to fraction form
    166,685.49/230,058.77 = 126,328.86/x
  3. Step 3: Cross multiply
    166,685.49x = 230,058.77 × 126,328.86
  4. Step 4: Simplify right side
    166,685.49x = 29,063,061,515.46
  5. Step 5: Solve for x
    x = 29,063,061,515.46/166,685.49
  6. Step 6: Final answer
    x = 174,358.68

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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.