Home / 285,301.13-393,714.92-164,441.58

Finding the Fourth Proportional to 285,301.13, 393,714.92 and 164,441.58

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Solution

The fourth proportional to 285,301.13, 393,714.92 and 164,441.58 is: 226,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,301.13 : 393,714.92 = 164,441.58 : x
  2. Step 2: Convert to fraction form
    285,301.13/393,714.92 = 164,441.58/x
  3. Step 3: Cross multiply
    285,301.13x = 393,714.92 × 164,441.58
  4. Step 4: Simplify right side
    285,301.13x = 64,743,102,692.17
  5. Step 5: Solve for x
    x = 64,743,102,692.17/285,301.13
  6. Step 6: Final answer
    x = 226,929.01

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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.