Home / 187,888.05-281,515.10-92,991.69

Finding the Fourth Proportional to 187,888.05, 281,515.10 and 92,991.69

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Solution

The fourth proportional to 187,888.05, 281,515.10 and 92,991.69 is: 139,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,888.05 : 281,515.10 = 92,991.69 : x
  2. Step 2: Convert to fraction form
    187,888.05/281,515.10 = 92,991.69/x
  3. Step 3: Cross multiply
    187,888.05x = 281,515.10 × 92,991.69
  4. Step 4: Simplify right side
    187,888.05x = 26,178,564,444.56
  5. Step 5: Solve for x
    x = 26,178,564,444.56/187,888.05
  6. Step 6: Final answer
    x = 139,330.65

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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.