Home / 320,932.68-442,894-175,744.58

Finding the Fourth Proportional to 320,932.68, 442,894 and 175,744.58

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Solution

The fourth proportional to 320,932.68, 442,894 and 175,744.58 is: 242,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,932.68 : 442,894 = 175,744.58 : x
  2. Step 2: Convert to fraction form
    320,932.68/442,894 = 175,744.58/x
  3. Step 3: Cross multiply
    320,932.68x = 442,894 × 175,744.58
  4. Step 4: Simplify right side
    320,932.68x = 77,836,220,014.52
  5. Step 5: Solve for x
    x = 77,836,220,014.52/320,932.68
  6. Step 6: Final answer
    x = 242,531.30

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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.