Home / 233,559.75-322,312.46-126,129.78

Finding the Fourth Proportional to 233,559.75, 322,312.46 and 126,129.78

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Solution

The fourth proportional to 233,559.75, 322,312.46 and 126,129.78 is: 174,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,559.75 : 322,312.46 = 126,129.78 : x
  2. Step 2: Convert to fraction form
    233,559.75/322,312.46 = 126,129.78/x
  3. Step 3: Cross multiply
    233,559.75x = 322,312.46 × 126,129.78
  4. Step 4: Simplify right side
    233,559.75x = 40,653,199,749.89
  5. Step 5: Solve for x
    x = 40,653,199,749.89/233,559.75
  6. Step 6: Final answer
    x = 174,059.10

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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.