Home / 110,767.60-166,192.88-66,426.16

Finding the Fourth Proportional to 110,767.60, 166,192.88 and 66,426.16

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Solution

The fourth proportional to 110,767.60, 166,192.88 and 66,426.16 is: 99,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,767.60 : 166,192.88 = 66,426.16 : x
  2. Step 2: Convert to fraction form
    110,767.60/166,192.88 = 66,426.16/x
  3. Step 3: Cross multiply
    110,767.60x = 166,192.88 × 66,426.16
  4. Step 4: Simplify right side
    110,767.60x = 11,039,554,837.74
  5. Step 5: Solve for x
    x = 11,039,554,837.74/110,767.60
  6. Step 6: Final answer
    x = 99,664.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.