Home / 316,664.16-436,997.20-171,471.52

Finding the Fourth Proportional to 316,664.16, 436,997.20 and 171,471.52

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Solution

The fourth proportional to 316,664.16, 436,997.20 and 171,471.52 is: 236,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,664.16 : 436,997.20 = 171,471.52 : x
  2. Step 2: Convert to fraction form
    316,664.16/436,997.20 = 171,471.52/x
  3. Step 3: Cross multiply
    316,664.16x = 436,997.20 × 171,471.52
  4. Step 4: Simplify right side
    316,664.16x = 74,932,574,119.74
  5. Step 5: Solve for x
    x = 74,932,574,119.74/316,664.16
  6. Step 6: Final answer
    x = 236,631.05

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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.