Home / 318,557.33-439,600.26-180,761.34

Finding the Fourth Proportional to 318,557.33, 439,600.26 and 180,761.34

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Solution

The fourth proportional to 318,557.33, 439,600.26 and 180,761.34 is: 249,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,557.33 : 439,600.26 = 180,761.34 : x
  2. Step 2: Convert to fraction form
    318,557.33/439,600.26 = 180,761.34/x
  3. Step 3: Cross multiply
    318,557.33x = 439,600.26 × 180,761.34
  4. Step 4: Simplify right side
    318,557.33x = 79,462,732,061.95
  5. Step 5: Solve for x
    x = 79,462,732,061.95/318,557.33
  6. Step 6: Final answer
    x = 249,445.62

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1.5x scale

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.