Home / 291,961.24-402,907.09-157,825.24

Finding the Fourth Proportional to 291,961.24, 402,907.09 and 157,825.24

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Solution

The fourth proportional to 291,961.24, 402,907.09 and 157,825.24 is: 217,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,961.24 : 402,907.09 = 157,825.24 : x
  2. Step 2: Convert to fraction form
    291,961.24/402,907.09 = 157,825.24/x
  3. Step 3: Cross multiply
    291,961.24x = 402,907.09 × 157,825.24
  4. Step 4: Simplify right side
    291,961.24x = 63,588,908,176.95
  5. Step 5: Solve for x
    x = 63,588,908,176.95/291,961.24
  6. Step 6: Final answer
    x = 217,799.14

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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.