Home / 404,631.80-606,947.70-194,161.40

Finding the Fourth Proportional to 404,631.80, 606,947.70 and 194,161.40

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Solution

The fourth proportional to 404,631.80, 606,947.70 and 194,161.40 is: 291,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,631.80 : 606,947.70 = 194,161.40 : x
  2. Step 2: Convert to fraction form
    404,631.80/606,947.70 = 194,161.40/x
  3. Step 3: Cross multiply
    404,631.80x = 606,947.70 × 194,161.40
  4. Step 4: Simplify right side
    404,631.80x = 117,845,815,158.78
  5. Step 5: Solve for x
    x = 117,845,815,158.78/404,631.80
  6. Step 6: Final answer
    x = 291,242.10

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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.