Home / 318,562.02-439,592.94-189,493.38

Finding the Fourth Proportional to 318,562.02, 439,592.94 and 189,493.38

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Solution

The fourth proportional to 318,562.02, 439,592.94 and 189,493.38 is: 261,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,562.02 : 439,592.94 = 189,493.38 : x
  2. Step 2: Convert to fraction form
    318,562.02/439,592.94 = 189,493.38/x
  3. Step 3: Cross multiply
    318,562.02x = 439,592.94 × 189,493.38
  4. Step 4: Simplify right side
    318,562.02x = 83,299,952,024.74
  5. Step 5: Solve for x
    x = 83,299,952,024.74/318,562.02
  6. Step 6: Final answer
    x = 261,487.39

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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.