Home / 190,089.28-285,134.08-56,983.52

Finding the Fourth Proportional to 190,089.28, 285,134.08 and 56,983.52

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Solution

The fourth proportional to 190,089.28, 285,134.08 and 56,983.52 is: 85,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,089.28 : 285,134.08 = 56,983.52 : x
  2. Step 2: Convert to fraction form
    190,089.28/285,134.08 = 56,983.52/x
  3. Step 3: Cross multiply
    190,089.28x = 285,134.08 × 56,983.52
  4. Step 4: Simplify right side
    190,089.28x = 16,247,943,550.36
  5. Step 5: Solve for x
    x = 16,247,943,550.36/190,089.28
  6. Step 6: Final answer
    x = 85,475.33

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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.