Home / 346,964.83-478,789.30-194,015.63

Finding the Fourth Proportional to 346,964.83, 478,789.30 and 194,015.63

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Solution

The fourth proportional to 346,964.83, 478,789.30 and 194,015.63 is: 267,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,964.83 : 478,789.30 = 194,015.63 : x
  2. Step 2: Convert to fraction form
    346,964.83/478,789.30 = 194,015.63/x
  3. Step 3: Cross multiply
    346,964.83x = 478,789.30 × 194,015.63
  4. Step 4: Simplify right side
    346,964.83x = 92,892,607,676.76
  5. Step 5: Solve for x
    x = 92,892,607,676.76/346,964.83
  6. Step 6: Final answer
    x = 267,729.17

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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.