Home / 187,282.16-280,931.43-54,175.87

Finding the Fourth Proportional to 187,282.16, 280,931.43 and 54,175.87

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Solution

The fourth proportional to 187,282.16, 280,931.43 and 54,175.87 is: 81,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282.16 : 280,931.43 = 54,175.87 : x
  2. Step 2: Convert to fraction form
    187,282.16/280,931.43 = 54,175.87/x
  3. Step 3: Cross multiply
    187,282.16x = 280,931.43 × 54,175.87
  4. Step 4: Simplify right side
    187,282.16x = 15,219,704,131.43
  5. Step 5: Solve for x
    x = 15,219,704,131.43/187,282.16
  6. Step 6: Final answer
    x = 81,266.17

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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.