Home / 249,123.12-373,644.48-71,589.60

Finding the Fourth Proportional to 249,123.12, 373,644.48 and 71,589.60

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Solution

The fourth proportional to 249,123.12, 373,644.48 and 71,589.60 is: 107,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,123.12 : 373,644.48 = 71,589.60 : x
  2. Step 2: Convert to fraction form
    249,123.12/373,644.48 = 71,589.60/x
  3. Step 3: Cross multiply
    249,123.12x = 373,644.48 × 71,589.60
  4. Step 4: Simplify right side
    249,123.12x = 26,749,058,865.41
  5. Step 5: Solve for x
    x = 26,749,058,865.41/249,123.12
  6. Step 6: Final answer
    x = 107,372.85

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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.