Home / 313,436.35-432,726.75-190,974.91

Finding the Fourth Proportional to 313,436.35, 432,726.75 and 190,974.91

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Solution

The fourth proportional to 313,436.35, 432,726.75 and 190,974.91 is: 263,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,436.35 : 432,726.75 = 190,974.91 : x
  2. Step 2: Convert to fraction form
    313,436.35/432,726.75 = 190,974.91/x
  3. Step 3: Cross multiply
    313,436.35x = 432,726.75 × 190,974.91
  4. Step 4: Simplify right side
    313,436.35x = 82,639,952,135.84
  5. Step 5: Solve for x
    x = 82,639,952,135.84/313,436.35
  6. Step 6: Final answer
    x = 263,657.84

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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.