Home / 194,521.12-268,337.10-158,263.09

Finding the Fourth Proportional to 194,521.12, 268,337.10 and 158,263.09

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Solution

The fourth proportional to 194,521.12, 268,337.10 and 158,263.09 is: 218,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,521.12 : 268,337.10 = 158,263.09 : x
  2. Step 2: Convert to fraction form
    194,521.12/268,337.10 = 158,263.09/x
  3. Step 3: Cross multiply
    194,521.12x = 268,337.10 × 158,263.09
  4. Step 4: Simplify right side
    194,521.12x = 42,467,858,607.64
  5. Step 5: Solve for x
    x = 42,467,858,607.64/194,521.12
  6. Step 6: Final answer
    x = 218,320.04

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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.