Home / 319,671.11-441,143.96-176,431.16

Finding the Fourth Proportional to 319,671.11, 441,143.96 and 176,431.16

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Solution

The fourth proportional to 319,671.11, 441,143.96 and 176,431.16 is: 243,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,671.11 : 441,143.96 = 176,431.16 : x
  2. Step 2: Convert to fraction form
    319,671.11/441,143.96 = 176,431.16/x
  3. Step 3: Cross multiply
    319,671.11x = 441,143.96 × 176,431.16
  4. Step 4: Simplify right side
    319,671.11x = 77,831,537,501.92
  5. Step 5: Solve for x
    x = 77,831,537,501.92/319,671.11
  6. Step 6: Final answer
    x = 243,473.79

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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.