Home / 318,332.19-439,360.83-182,457.21

Finding the Fourth Proportional to 318,332.19, 439,360.83 and 182,457.21

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Solution

The fourth proportional to 318,332.19, 439,360.83 and 182,457.21 is: 251,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,332.19 : 439,360.83 = 182,457.21 : x
  2. Step 2: Convert to fraction form
    318,332.19/439,360.83 = 182,457.21/x
  3. Step 3: Cross multiply
    318,332.19x = 439,360.83 × 182,457.21
  4. Step 4: Simplify right side
    318,332.19x = 80,164,548,115.99
  5. Step 5: Solve for x
    x = 80,164,548,115.99/318,332.19
  6. Step 6: Final answer
    x = 251,826.71

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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.