Home / 318,417.55-439,479.02-182,542.75

Finding the Fourth Proportional to 318,417.55, 439,479.02 and 182,542.75

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Solution

The fourth proportional to 318,417.55, 439,479.02 and 182,542.75 is: 251,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,417.55 : 439,479.02 = 182,542.75 : x
  2. Step 2: Convert to fraction form
    318,417.55/439,479.02 = 182,542.75/x
  3. Step 3: Cross multiply
    318,417.55x = 439,479.02 × 182,542.75
  4. Step 4: Simplify right side
    318,417.55x = 80,223,708,878.11
  5. Step 5: Solve for x
    x = 80,223,708,878.11/318,417.55
  6. Step 6: Final answer
    x = 251,945.00

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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.