Home / 521,575.14-782,362.17-166,616.40

Finding the Fourth Proportional to 521,575.14, 782,362.17 and 166,616.40

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Solution

The fourth proportional to 521,575.14, 782,362.17 and 166,616.40 is: 249,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,575.14 : 782,362.17 = 166,616.40 : x
  2. Step 2: Convert to fraction form
    521,575.14/782,362.17 = 166,616.40/x
  3. Step 3: Cross multiply
    521,575.14x = 782,362.17 × 166,616.40
  4. Step 4: Simplify right side
    521,575.14x = 130,354,368,261.59
  5. Step 5: Solve for x
    x = 130,354,368,261.59/521,575.14
  6. Step 6: Final answer
    x = 249,924.43

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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.