Home / 190,776.88-286,167.30-57,658.24

Finding the Fourth Proportional to 190,776.88, 286,167.30 and 57,658.24

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Solution

The fourth proportional to 190,776.88, 286,167.30 and 57,658.24 is: 86,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,776.88 : 286,167.30 = 57,658.24 : x
  2. Step 2: Convert to fraction form
    190,776.88/286,167.30 = 57,658.24/x
  3. Step 3: Cross multiply
    190,776.88x = 286,167.30 × 57,658.24
  4. Step 4: Simplify right side
    190,776.88x = 16,499,902,863.55
  5. Step 5: Solve for x
    x = 16,499,902,863.55/190,776.88
  6. Step 6: Final answer
    x = 86,487.96

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1.5x scale

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.