Home / 134,353.73-185,331.13-83,965.25

Finding the Fourth Proportional to 134,353.73, 185,331.13 and 83,965.25

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Solution

The fourth proportional to 134,353.73, 185,331.13 and 83,965.25 is: 115,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,353.73 : 185,331.13 = 83,965.25 : x
  2. Step 2: Convert to fraction form
    134,353.73/185,331.13 = 83,965.25/x
  3. Step 3: Cross multiply
    134,353.73x = 185,331.13 × 83,965.25
  4. Step 4: Simplify right side
    134,353.73x = 15,561,374,663.23
  5. Step 5: Solve for x
    x = 15,561,374,663.23/134,353.73
  6. Step 6: Final answer
    x = 115,823.91

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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.