Home / 233,645.12-322,430.04-126,215.12

Finding the Fourth Proportional to 233,645.12, 322,430.04 and 126,215.12

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Solution

The fourth proportional to 233,645.12, 322,430.04 and 126,215.12 is: 174,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,645.12 : 322,430.04 = 126,215.12 : x
  2. Step 2: Convert to fraction form
    233,645.12/322,430.04 = 126,215.12/x
  3. Step 3: Cross multiply
    233,645.12x = 322,430.04 × 126,215.12
  4. Step 4: Simplify right side
    233,645.12x = 40,695,546,190.20
  5. Step 5: Solve for x
    x = 40,695,546,190.20/233,645.12
  6. Step 6: Final answer
    x = 174,176.74

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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.