Home / 105,632.46-158,342.07-66,217.26

Finding the Fourth Proportional to 105,632.46, 158,342.07 and 66,217.26

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Solution

The fourth proportional to 105,632.46, 158,342.07 and 66,217.26 is: 99,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,632.46 : 158,342.07 = 66,217.26 : x
  2. Step 2: Convert to fraction form
    105,632.46/158,342.07 = 66,217.26/x
  3. Step 3: Cross multiply
    105,632.46x = 158,342.07 × 66,217.26
  4. Step 4: Simplify right side
    105,632.46x = 10,484,978,018.13
  5. Step 5: Solve for x
    x = 10,484,978,018.13/105,632.46
  6. Step 6: Final answer
    x = 99,259.05

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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.