Home / 143,191.81-198,032.85-125,255.66

Finding the Fourth Proportional to 143,191.81, 198,032.85 and 125,255.66

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Solution

The fourth proportional to 143,191.81, 198,032.85 and 125,255.66 is: 173,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,191.81 : 198,032.85 = 125,255.66 : x
  2. Step 2: Convert to fraction form
    143,191.81/198,032.85 = 125,255.66/x
  3. Step 3: Cross multiply
    143,191.81x = 198,032.85 × 125,255.66
  4. Step 4: Simplify right side
    143,191.81x = 24,804,735,823.51
  5. Step 5: Solve for x
    x = 24,804,735,823.51/143,191.81
  6. Step 6: Final answer
    x = 173,227.34

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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.