Home / 291,134.18-401,738.59-170,254.44

Finding the Fourth Proportional to 291,134.18, 401,738.59 and 170,254.44

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Solution

The fourth proportional to 291,134.18, 401,738.59 and 170,254.44 is: 234,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,134.18 : 401,738.59 = 170,254.44 : x
  2. Step 2: Convert to fraction form
    291,134.18/401,738.59 = 170,254.44/x
  3. Step 3: Cross multiply
    291,134.18x = 401,738.59 × 170,254.44
  4. Step 4: Simplify right side
    291,134.18x = 68,397,778,666.84
  5. Step 5: Solve for x
    x = 68,397,778,666.84/291,134.18
  6. Step 6: Final answer
    x = 234,935.58

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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.