Home / 183,648.23-253,422.20-101,972.28

Finding the Fourth Proportional to 183,648.23, 253,422.20 and 101,972.28

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Solution

The fourth proportional to 183,648.23, 253,422.20 and 101,972.28 is: 140,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,648.23 : 253,422.20 = 101,972.28 : x
  2. Step 2: Convert to fraction form
    183,648.23/253,422.20 = 101,972.28/x
  3. Step 3: Cross multiply
    183,648.23x = 253,422.20 × 101,972.28
  4. Step 4: Simplify right side
    183,648.23x = 25,842,039,026.75
  5. Step 5: Solve for x
    x = 25,842,039,026.75/183,648.23
  6. Step 6: Final answer
    x = 140,714.89

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1.5x scale

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.