Home / 103,685.02-155,571.29-95,409.97

Finding the Fourth Proportional to 103,685.02, 155,571.29 and 95,409.97

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Solution

The fourth proportional to 103,685.02, 155,571.29 and 95,409.97 is: 143,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,685.02 : 155,571.29 = 95,409.97 : x
  2. Step 2: Convert to fraction form
    103,685.02/155,571.29 = 95,409.97/x
  3. Step 3: Cross multiply
    103,685.02x = 155,571.29 × 95,409.97
  4. Step 4: Simplify right side
    103,685.02x = 14,843,052,111.76
  5. Step 5: Solve for x
    x = 14,843,052,111.76/103,685.02
  6. Step 6: Final answer
    x = 143,155.22

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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.