Home / 121,306.37-167,400.55-67,590.23

Finding the Fourth Proportional to 121,306.37, 167,400.55 and 67,590.23

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Solution

The fourth proportional to 121,306.37, 167,400.55 and 67,590.23 is: 93,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.37 : 167,400.55 = 67,590.23 : x
  2. Step 2: Convert to fraction form
    121,306.37/167,400.55 = 67,590.23/x
  3. Step 3: Cross multiply
    121,306.37x = 167,400.55 × 67,590.23
  4. Step 4: Simplify right side
    121,306.37x = 11,314,641,676.63
  5. Step 5: Solve for x
    x = 11,314,641,676.63/121,306.37
  6. Step 6: Final answer
    x = 93,273.27

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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.