Home / 190,427.30-285,641.97-57,306.65

Finding the Fourth Proportional to 190,427.30, 285,641.97 and 57,306.65

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Solution

The fourth proportional to 190,427.30, 285,641.97 and 57,306.65 is: 85,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,427.30 : 285,641.97 = 57,306.65 : x
  2. Step 2: Convert to fraction form
    190,427.30/285,641.97 = 57,306.65/x
  3. Step 3: Cross multiply
    190,427.30x = 285,641.97 × 57,306.65
  4. Step 4: Simplify right side
    190,427.30x = 16,369,184,400.10
  5. Step 5: Solve for x
    x = 16,369,184,400.10/190,427.30
  6. Step 6: Final answer
    x = 85,960.28

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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.