Home / 474,631.11-711,949.50-194,148.36

Finding the Fourth Proportional to 474,631.11, 711,949.50 and 194,148.36

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Solution

The fourth proportional to 474,631.11, 711,949.50 and 194,148.36 is: 291,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,631.11 : 711,949.50 = 194,148.36 : x
  2. Step 2: Convert to fraction form
    474,631.11/711,949.50 = 194,148.36/x
  3. Step 3: Cross multiply
    474,631.11x = 711,949.50 × 194,148.36
  4. Step 4: Simplify right side
    474,631.11x = 138,223,827,827.82
  5. Step 5: Solve for x
    x = 138,223,827,827.82/474,631.11
  6. Step 6: Final answer
    x = 291,223.70

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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.