Home / 126,256.96-174,235.60-69,672.16

Finding the Fourth Proportional to 126,256.96, 174,235.60 and 69,672.16

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Solution

The fourth proportional to 126,256.96, 174,235.60 and 69,672.16 is: 96,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,256.96 : 174,235.60 = 69,672.16 : x
  2. Step 2: Convert to fraction form
    126,256.96/174,235.60 = 69,672.16/x
  3. Step 3: Cross multiply
    126,256.96x = 174,235.60 × 69,672.16
  4. Step 4: Simplify right side
    126,256.96x = 12,139,370,600.90
  5. Step 5: Solve for x
    x = 12,139,370,600.90/126,256.96
  6. Step 6: Final answer
    x = 96,148.13

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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.