Home / 110,664.24-152,693.04-65,335.20

Finding the Fourth Proportional to 110,664.24, 152,693.04 and 65,335.20

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Solution

The fourth proportional to 110,664.24, 152,693.04 and 65,335.20 is: 90,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,664.24 : 152,693.04 = 65,335.20 : x
  2. Step 2: Convert to fraction form
    110,664.24/152,693.04 = 65,335.20/x
  3. Step 3: Cross multiply
    110,664.24x = 152,693.04 × 65,335.20
  4. Step 4: Simplify right side
    110,664.24x = 9,976,230,307.01
  5. Step 5: Solve for x
    x = 9,976,230,307.01/110,664.24
  6. Step 6: Final answer
    x = 90,148.64

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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.