Home / 335,721.40-503,582.10-186,422.20

Finding the Fourth Proportional to 335,721.40, 503,582.10 and 186,422.20

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Solution

The fourth proportional to 335,721.40, 503,582.10 and 186,422.20 is: 279,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,721.40 : 503,582.10 = 186,422.20 : x
  2. Step 2: Convert to fraction form
    335,721.40/503,582.10 = 186,422.20/x
  3. Step 3: Cross multiply
    335,721.40x = 503,582.10 × 186,422.20
  4. Step 4: Simplify right side
    335,721.40x = 93,878,882,962.62
  5. Step 5: Solve for x
    x = 93,878,882,962.62/335,721.40
  6. Step 6: Final answer
    x = 279,633.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.