Home / 121,348.90-167,462.25-67,637.33

Finding the Fourth Proportional to 121,348.90, 167,462.25 and 67,637.33

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Solution

The fourth proportional to 121,348.90, 167,462.25 and 67,637.33 is: 93,339.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,348.90 : 167,462.25 = 67,637.33 : x
  2. Step 2: Convert to fraction form
    121,348.90/167,462.25 = 67,637.33/x
  3. Step 3: Cross multiply
    121,348.90x = 167,462.25 × 67,637.33
  4. Step 4: Simplify right side
    121,348.90x = 11,326,698,628.48
  5. Step 5: Solve for x
    x = 11,326,698,628.48/121,348.90
  6. Step 6: Final answer
    x = 93,339.94

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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.