Home / 187,595.81-281,291.66-67,636.43

Finding the Fourth Proportional to 187,595.81, 281,291.66 and 67,636.43

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Solution

The fourth proportional to 187,595.81, 281,291.66 and 67,636.43 is: 101,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,595.81 : 281,291.66 = 67,636.43 : x
  2. Step 2: Convert to fraction form
    187,595.81/281,291.66 = 67,636.43/x
  3. Step 3: Cross multiply
    187,595.81x = 281,291.66 × 67,636.43
  4. Step 4: Simplify right side
    187,595.81x = 19,025,563,332.99
  5. Step 5: Solve for x
    x = 19,025,563,332.99/187,595.81
  6. Step 6: Final answer
    x = 101,417.85

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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.