Home / 165,849.05-248,771.28-99,307.55

Finding the Fourth Proportional to 165,849.05, 248,771.28 and 99,307.55

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Solution

The fourth proportional to 165,849.05, 248,771.28 and 99,307.55 is: 148,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,849.05 : 248,771.28 = 99,307.55 : x
  2. Step 2: Convert to fraction form
    165,849.05/248,771.28 = 99,307.55/x
  3. Step 3: Cross multiply
    165,849.05x = 248,771.28 × 99,307.55
  4. Step 4: Simplify right side
    165,849.05x = 24,704,866,327.16
  5. Step 5: Solve for x
    x = 24,704,866,327.16/165,849.05
  6. Step 6: Final answer
    x = 148,959.95

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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.