Home / 190,739.68-286,111.68-57,621.04

Finding the Fourth Proportional to 190,739.68, 286,111.68 and 57,621.04

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Solution

The fourth proportional to 190,739.68, 286,111.68 and 57,621.04 is: 86,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,739.68 : 286,111.68 = 57,621.04 : x
  2. Step 2: Convert to fraction form
    190,739.68/286,111.68 = 57,621.04/x
  3. Step 3: Cross multiply
    190,739.68x = 286,111.68 × 57,621.04
  4. Step 4: Simplify right side
    190,739.68x = 16,486,052,557.75
  5. Step 5: Solve for x
    x = 16,486,052,557.75/190,739.68
  6. Step 6: Final answer
    x = 86,432.21

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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.