Home / 291,932.30-402,857.40-171,154.01

Finding the Fourth Proportional to 291,932.30, 402,857.40 and 171,154.01

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Solution

The fourth proportional to 291,932.30, 402,857.40 and 171,154.01 is: 236,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,932.30 : 402,857.40 = 171,154.01 : x
  2. Step 2: Convert to fraction form
    291,932.30/402,857.40 = 171,154.01/x
  3. Step 3: Cross multiply
    291,932.30x = 402,857.40 × 171,154.01
  4. Step 4: Simplify right side
    291,932.30x = 68,950,660,154.40
  5. Step 5: Solve for x
    x = 68,950,660,154.40/291,932.30
  6. Step 6: Final answer
    x = 236,187.16

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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.