Home / 319,931.28-441,508.68-184,032.72

Finding the Fourth Proportional to 319,931.28, 441,508.68 and 184,032.72

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Solution

The fourth proportional to 319,931.28, 441,508.68 and 184,032.72 is: 253,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,931.28 : 441,508.68 = 184,032.72 : x
  2. Step 2: Convert to fraction form
    319,931.28/441,508.68 = 184,032.72/x
  3. Step 3: Cross multiply
    319,931.28x = 441,508.68 × 184,032.72
  4. Step 4: Simplify right side
    319,931.28x = 81,252,043,284.01
  5. Step 5: Solve for x
    x = 81,252,043,284.01/319,931.28
  6. Step 6: Final answer
    x = 253,967.17

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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.