Home / 318,385.74-439,435.05-182,510.85

Finding the Fourth Proportional to 318,385.74, 439,435.05 and 182,510.85

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Solution

The fourth proportional to 318,385.74, 439,435.05 and 182,510.85 is: 251,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,385.74 : 439,435.05 = 182,510.85 : x
  2. Step 2: Convert to fraction form
    318,385.74/439,435.05 = 182,510.85/x
  3. Step 3: Cross multiply
    318,385.74x = 439,435.05 × 182,510.85
  4. Step 4: Simplify right side
    318,385.74x = 80,201,662,264.34
  5. Step 5: Solve for x
    x = 80,201,662,264.34/318,385.74
  6. Step 6: Final answer
    x = 251,900.93

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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.