Home / 157,642.25-236,556.80-147,667.94

Finding the Fourth Proportional to 157,642.25, 236,556.80 and 147,667.94

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Solution

The fourth proportional to 157,642.25, 236,556.80 and 147,667.94 is: 221,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,642.25 : 236,556.80 = 147,667.94 : x
  2. Step 2: Convert to fraction form
    157,642.25/236,556.80 = 147,667.94/x
  3. Step 3: Cross multiply
    157,642.25x = 236,556.80 × 147,667.94
  4. Step 4: Simplify right side
    157,642.25x = 34,931,853,427.87
  5. Step 5: Solve for x
    x = 34,931,853,427.87/157,642.25
  6. Step 6: Final answer
    x = 221,589.42

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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.