Home / 121,177.03-167,228.19-75,840.52

Finding the Fourth Proportional to 121,177.03, 167,228.19 and 75,840.52

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Solution

The fourth proportional to 121,177.03, 167,228.19 and 75,840.52 is: 104,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,177.03 : 167,228.19 = 75,840.52 : x
  2. Step 2: Convert to fraction form
    121,177.03/167,228.19 = 75,840.52/x
  3. Step 3: Cross multiply
    121,177.03x = 167,228.19 × 75,840.52
  4. Step 4: Simplify right side
    121,177.03x = 12,682,672,888.26
  5. Step 5: Solve for x
    x = 12,682,672,888.26/121,177.03
  6. Step 6: Final answer
    x = 104,662.35

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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.