Home / 126,866.25-175,075.43-70,281.27

Finding the Fourth Proportional to 126,866.25, 175,075.43 and 70,281.27

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Solution

The fourth proportional to 126,866.25, 175,075.43 and 70,281.27 is: 96,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,866.25 : 175,075.43 = 70,281.27 : x
  2. Step 2: Convert to fraction form
    126,866.25/175,075.43 = 70,281.27/x
  3. Step 3: Cross multiply
    126,866.25x = 175,075.43 × 70,281.27
  4. Step 4: Simplify right side
    126,866.25x = 12,304,523,214.79
  5. Step 5: Solve for x
    x = 12,304,523,214.79/126,866.25
  6. Step 6: Final answer
    x = 96,988.15

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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.