Home / 319,441.16-440,826.72-174,254.96

Finding the Fourth Proportional to 319,441.16, 440,826.72 and 174,254.96

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Solution

The fourth proportional to 319,441.16, 440,826.72 and 174,254.96 is: 240,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,441.16 : 440,826.72 = 174,254.96 : x
  2. Step 2: Convert to fraction form
    319,441.16/440,826.72 = 174,254.96/x
  3. Step 3: Cross multiply
    319,441.16x = 440,826.72 × 174,254.96
  4. Step 4: Simplify right side
    319,441.16x = 76,816,242,460.53
  5. Step 5: Solve for x
    x = 76,816,242,460.53/319,441.16
  6. Step 6: Final answer
    x = 240,470.71

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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.