Home / 292,014.12-402,955.35-164,721

Finding the Fourth Proportional to 292,014.12, 402,955.35 and 164,721

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Solution

The fourth proportional to 292,014.12, 402,955.35 and 164,721 is: 227,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,014.12 : 402,955.35 = 164,721 : x
  2. Step 2: Convert to fraction form
    292,014.12/402,955.35 = 164,721/x
  3. Step 3: Cross multiply
    292,014.12x = 402,955.35 × 164,721
  4. Step 4: Simplify right side
    292,014.12x = 66,375,208,207.35
  5. Step 5: Solve for x
    x = 66,375,208,207.35/292,014.12
  6. Step 6: Final answer
    x = 227,301.37

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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.