Home / 134,149.19-185,016.02-83,126.48

Finding the Fourth Proportional to 134,149.19, 185,016.02 and 83,126.48

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Solution

The fourth proportional to 134,149.19, 185,016.02 and 83,126.48 is: 114,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,149.19 : 185,016.02 = 83,126.48 : x
  2. Step 2: Convert to fraction form
    134,149.19/185,016.02 = 83,126.48/x
  3. Step 3: Cross multiply
    134,149.19x = 185,016.02 × 83,126.48
  4. Step 4: Simplify right side
    134,149.19x = 15,379,729,145.50
  5. Step 5: Solve for x
    x = 15,379,729,145.50/134,149.19
  6. Step 6: Final answer
    x = 114,646.46

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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.