Home / 126,853.93-174,854.40-86,004.82

Finding the Fourth Proportional to 126,853.93, 174,854.40 and 86,004.82

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Solution

The fourth proportional to 126,853.93, 174,854.40 and 86,004.82 is: 118,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853.93 : 174,854.40 = 86,004.82 : x
  2. Step 2: Convert to fraction form
    126,853.93/174,854.40 = 86,004.82/x
  3. Step 3: Cross multiply
    126,853.93x = 174,854.40 × 86,004.82
  4. Step 4: Simplify right side
    126,853.93x = 15,038,321,198.21
  5. Step 5: Solve for x
    x = 15,038,321,198.21/126,853.93
  6. Step 6: Final answer
    x = 118,548.33

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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.