Home / 187,530.34-280,918.59-87,552.58

Finding the Fourth Proportional to 187,530.34, 280,918.59 and 87,552.58

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Solution

The fourth proportional to 187,530.34, 280,918.59 and 87,552.58 is: 131,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,530.34 : 280,918.59 = 87,552.58 : x
  2. Step 2: Convert to fraction form
    187,530.34/280,918.59 = 87,552.58/x
  3. Step 3: Cross multiply
    187,530.34x = 280,918.59 × 87,552.58
  4. Step 4: Simplify right side
    187,530.34x = 24,595,147,324.46
  5. Step 5: Solve for x
    x = 24,595,147,324.46/187,530.34
  6. Step 6: Final answer
    x = 131,152.90

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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.