Home / 134,051.28-185,077.53-83,118.30

Finding the Fourth Proportional to 134,051.28, 185,077.53 and 83,118.30

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Solution

The fourth proportional to 134,051.28, 185,077.53 and 83,118.30 is: 114,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,051.28 : 185,077.53 = 83,118.30 : x
  2. Step 2: Convert to fraction form
    134,051.28/185,077.53 = 83,118.30/x
  3. Step 3: Cross multiply
    134,051.28x = 185,077.53 × 83,118.30
  4. Step 4: Simplify right side
    134,051.28x = 15,383,329,661.80
  5. Step 5: Solve for x
    x = 15,383,329,661.80/134,051.28
  6. Step 6: Final answer
    x = 114,757.05

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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.