Home / 124,281.23-186,532.82-86,871.23

Finding the Fourth Proportional to 124,281.23, 186,532.82 and 86,871.23

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Solution

The fourth proportional to 124,281.23, 186,532.82 and 86,871.23 is: 130,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,281.23 : 186,532.82 = 86,871.23 : x
  2. Step 2: Convert to fraction form
    124,281.23/186,532.82 = 86,871.23/x
  3. Step 3: Cross multiply
    124,281.23x = 186,532.82 × 86,871.23
  4. Step 4: Simplify right side
    124,281.23x = 16,204,334,974.78
  5. Step 5: Solve for x
    x = 16,204,334,974.78/124,281.23
  6. Step 6: Final answer
    x = 130,384.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.