Home / 124,302.24-186,308.70-71,031.56

Finding the Fourth Proportional to 124,302.24, 186,308.70 and 71,031.56

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Solution

The fourth proportional to 124,302.24, 186,308.70 and 71,031.56 is: 106,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,302.24 : 186,308.70 = 71,031.56 : x
  2. Step 2: Convert to fraction form
    124,302.24/186,308.70 = 71,031.56/x
  3. Step 3: Cross multiply
    124,302.24x = 186,308.70 × 71,031.56
  4. Step 4: Simplify right side
    124,302.24x = 13,233,797,602.57
  5. Step 5: Solve for x
    x = 13,233,797,602.57/124,302.24
  6. Step 6: Final answer
    x = 106,464.68

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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.