Home / 318,868.45-440,033.21-175,641.82

Finding the Fourth Proportional to 318,868.45, 440,033.21 and 175,641.82

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Solution

The fourth proportional to 318,868.45, 440,033.21 and 175,641.82 is: 242,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,868.45 : 440,033.21 = 175,641.82 : x
  2. Step 2: Convert to fraction form
    318,868.45/440,033.21 = 175,641.82/x
  3. Step 3: Cross multiply
    318,868.45x = 440,033.21 × 175,641.82
  4. Step 4: Simplify right side
    318,868.45x = 77,288,232,545.21
  5. Step 5: Solve for x
    x = 77,288,232,545.21/318,868.45
  6. Step 6: Final answer
    x = 242,382.82

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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.