Home / 190,679.38-286,021.10-57,560.74

Finding the Fourth Proportional to 190,679.38, 286,021.10 and 57,560.74

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Solution

The fourth proportional to 190,679.38, 286,021.10 and 57,560.74 is: 86,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,679.38 : 286,021.10 = 57,560.74 : x
  2. Step 2: Convert to fraction form
    190,679.38/286,021.10 = 57,560.74/x
  3. Step 3: Cross multiply
    190,679.38x = 286,021.10 × 57,560.74
  4. Step 4: Simplify right side
    190,679.38x = 16,463,586,171.61
  5. Step 5: Solve for x
    x = 16,463,586,171.61/190,679.38
  6. Step 6: Final answer
    x = 86,341.72

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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.