Home / 644,128.48-966,226.54-194,837.90

Finding the Fourth Proportional to 644,128.48, 966,226.54 and 194,837.90

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Solution

The fourth proportional to 644,128.48, 966,226.54 and 194,837.90 is: 292,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,128.48 : 966,226.54 = 194,837.90 : x
  2. Step 2: Convert to fraction form
    644,128.48/966,226.54 = 194,837.90/x
  3. Step 3: Cross multiply
    644,128.48x = 966,226.54 × 194,837.90
  4. Step 4: Simplify right side
    644,128.48x = 188,257,549,977.87
  5. Step 5: Solve for x
    x = 188,257,549,977.87/644,128.48
  6. Step 6: Final answer
    x = 292,267.08

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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.