Home / 121,222.22-181,833.33-38,116.22

Finding the Fourth Proportional to 121,222.22, 181,833.33 and 38,116.22

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Solution

The fourth proportional to 121,222.22, 181,833.33 and 38,116.22 is: 57,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,222.22 : 181,833.33 = 38,116.22 : x
  2. Step 2: Convert to fraction form
    121,222.22/181,833.33 = 38,116.22/x
  3. Step 3: Cross multiply
    121,222.22x = 181,833.33 × 38,116.22
  4. Step 4: Simplify right side
    121,222.22x = 6,930,798,300.45
  5. Step 5: Solve for x
    x = 6,930,798,300.45/121,222.22
  6. Step 6: Final answer
    x = 57,174.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.