Home / 153,087.03-211,286.20-88,595.52

Finding the Fourth Proportional to 153,087.03, 211,286.20 and 88,595.52

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Solution

The fourth proportional to 153,087.03, 211,286.20 and 88,595.52 is: 122,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,087.03 : 211,286.20 = 88,595.52 : x
  2. Step 2: Convert to fraction form
    153,087.03/211,286.20 = 88,595.52/x
  3. Step 3: Cross multiply
    153,087.03x = 211,286.20 × 88,595.52
  4. Step 4: Simplify right side
    153,087.03x = 18,719,010,849.44
  5. Step 5: Solve for x
    x = 18,719,010,849.44/153,087.03
  6. Step 6: Final answer
    x = 122,276.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.