Home / 189,522.48-284,282.33-77,176.29

Finding the Fourth Proportional to 189,522.48, 284,282.33 and 77,176.29

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Solution

The fourth proportional to 189,522.48, 284,282.33 and 77,176.29 is: 115,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,522.48 : 284,282.33 = 77,176.29 : x
  2. Step 2: Convert to fraction form
    189,522.48/284,282.33 = 77,176.29/x
  3. Step 3: Cross multiply
    189,522.48x = 284,282.33 × 77,176.29
  4. Step 4: Simplify right side
    189,522.48x = 21,939,855,156.07
  5. Step 5: Solve for x
    x = 21,939,855,156.07/189,522.48
  6. Step 6: Final answer
    x = 115,763.87

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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.