Home / 126,169.02-174,110.04-69,576.78

Finding the Fourth Proportional to 126,169.02, 174,110.04 and 69,576.78

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Solution

The fourth proportional to 126,169.02, 174,110.04 and 69,576.78 is: 96,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,169.02 : 174,110.04 = 69,576.78 : x
  2. Step 2: Convert to fraction form
    126,169.02/174,110.04 = 69,576.78/x
  3. Step 3: Cross multiply
    126,169.02x = 174,110.04 × 69,576.78
  4. Step 4: Simplify right side
    126,169.02x = 12,114,015,948.87
  5. Step 5: Solve for x
    x = 12,114,015,948.87/126,169.02
  6. Step 6: Final answer
    x = 96,014.19

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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.