Home / 126,135.20-174,058.64-69,547.04

Finding the Fourth Proportional to 126,135.20, 174,058.64 and 69,547.04

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Solution

The fourth proportional to 126,135.20, 174,058.64 and 69,547.04 is: 95,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,135.20 : 174,058.64 = 69,547.04 : x
  2. Step 2: Convert to fraction form
    126,135.20/174,058.64 = 69,547.04/x
  3. Step 3: Cross multiply
    126,135.20x = 174,058.64 × 69,547.04
  4. Step 4: Simplify right side
    126,135.20x = 12,105,263,198.43
  5. Step 5: Solve for x
    x = 12,105,263,198.43/126,135.20
  6. Step 6: Final answer
    x = 95,970.54

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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.