Home / 318,816.14-439,960.95-175,589.51

Finding the Fourth Proportional to 318,816.14, 439,960.95 and 175,589.51

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Solution

The fourth proportional to 318,816.14, 439,960.95 and 175,589.51 is: 242,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,816.14 : 439,960.95 = 175,589.51 : x
  2. Step 2: Convert to fraction form
    318,816.14/439,960.95 = 175,589.51/x
  3. Step 3: Cross multiply
    318,816.14x = 439,960.95 × 175,589.51
  4. Step 4: Simplify right side
    318,816.14x = 77,252,525,429.83
  5. Step 5: Solve for x
    x = 77,252,525,429.83/318,816.14
  6. Step 6: Final answer
    x = 242,310.59

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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.