Home / 126,943.90-175,182.22-70,355.28

Finding the Fourth Proportional to 126,943.90, 175,182.22 and 70,355.28

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Solution

The fourth proportional to 126,943.90, 175,182.22 and 70,355.28 is: 97,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,943.90 : 175,182.22 = 70,355.28 : x
  2. Step 2: Convert to fraction form
    126,943.90/175,182.22 = 70,355.28/x
  3. Step 3: Cross multiply
    126,943.90x = 175,182.22 × 70,355.28
  4. Step 4: Simplify right side
    126,943.90x = 12,324,994,139.12
  5. Step 5: Solve for x
    x = 12,324,994,139.12/126,943.90
  6. Step 6: Final answer
    x = 97,090.09

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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.