Home / 268,331.80-369,907.74-187,508.32

Finding the Fourth Proportional to 268,331.80, 369,907.74 and 187,508.32

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Solution

The fourth proportional to 268,331.80, 369,907.74 and 187,508.32 is: 258,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,331.80 : 369,907.74 = 187,508.32 : x
  2. Step 2: Convert to fraction form
    268,331.80/369,907.74 = 187,508.32/x
  3. Step 3: Cross multiply
    268,331.80x = 369,907.74 × 187,508.32
  4. Step 4: Simplify right side
    268,331.80x = 69,360,778,882.40
  5. Step 5: Solve for x
    x = 69,360,778,882.40/268,331.80
  6. Step 6: Final answer
    x = 258,488.85

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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.