Home / 126,943.65-175,181.87-70,355.03

Finding the Fourth Proportional to 126,943.65, 175,181.87 and 70,355.03

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Solution

The fourth proportional to 126,943.65, 175,181.87 and 70,355.03 is: 97,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,943.65 : 175,181.87 = 70,355.03 : x
  2. Step 2: Convert to fraction form
    126,943.65/175,181.87 = 70,355.03/x
  3. Step 3: Cross multiply
    126,943.65x = 175,181.87 × 70,355.03
  4. Step 4: Simplify right side
    126,943.65x = 12,324,925,719.31
  5. Step 5: Solve for x
    x = 12,324,925,719.31/126,943.65
  6. Step 6: Final answer
    x = 97,089.74

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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.