Home / 134,720.01-185,836.44-84,331.53

Finding the Fourth Proportional to 134,720.01, 185,836.44 and 84,331.53

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Solution

The fourth proportional to 134,720.01, 185,836.44 and 84,331.53 is: 116,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,720.01 : 185,836.44 = 84,331.53 : x
  2. Step 2: Convert to fraction form
    134,720.01/185,836.44 = 84,331.53/x
  3. Step 3: Cross multiply
    134,720.01x = 185,836.44 × 84,331.53
  4. Step 4: Simplify right side
    134,720.01x = 15,671,871,314.95
  5. Step 5: Solve for x
    x = 15,671,871,314.95/134,720.01
  6. Step 6: Final answer
    x = 116,329.20

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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.