Home / 292,015.12-402,956.73-164,722

Finding the Fourth Proportional to 292,015.12, 402,956.73 and 164,722

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Solution

The fourth proportional to 292,015.12, 402,956.73 and 164,722 is: 227,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,015.12 : 402,956.73 = 164,722 : x
  2. Step 2: Convert to fraction form
    292,015.12/402,956.73 = 164,722/x
  3. Step 3: Cross multiply
    292,015.12x = 402,956.73 × 164,722
  4. Step 4: Simplify right side
    292,015.12x = 66,375,838,479.06
  5. Step 5: Solve for x
    x = 66,375,838,479.06/292,015.12
  6. Step 6: Final answer
    x = 227,302.75

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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.