Home / 134,534.93-185,577.23-86,147.33

Finding the Fourth Proportional to 134,534.93, 185,577.23 and 86,147.33

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Solution

The fourth proportional to 134,534.93, 185,577.23 and 86,147.33 is: 118,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534.93 : 185,577.23 = 86,147.33 : x
  2. Step 2: Convert to fraction form
    134,534.93/185,577.23 = 86,147.33/x
  3. Step 3: Cross multiply
    134,534.93x = 185,577.23 × 86,147.33
  4. Step 4: Simplify right side
    134,534.93x = 15,986,982,160.78
  5. Step 5: Solve for x
    x = 15,986,982,160.78/134,534.93
  6. Step 6: Final answer
    x = 118,831.46

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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.