Home / 126,570.25-174,810.45-86,214.03

Finding the Fourth Proportional to 126,570.25, 174,810.45 and 86,214.03

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Solution

The fourth proportional to 126,570.25, 174,810.45 and 86,214.03 is: 119,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,570.25 : 174,810.45 = 86,214.03 : x
  2. Step 2: Convert to fraction form
    126,570.25/174,810.45 = 86,214.03/x
  3. Step 3: Cross multiply
    126,570.25x = 174,810.45 × 86,214.03
  4. Step 4: Simplify right side
    126,570.25x = 15,071,113,380.61
  5. Step 5: Solve for x
    x = 15,071,113,380.61/126,570.25
  6. Step 6: Final answer
    x = 119,073.11

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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.