Home / 187,902.09-282,170.66-186,450.57

Finding the Fourth Proportional to 187,902.09, 282,170.66 and 186,450.57

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Solution

The fourth proportional to 187,902.09, 282,170.66 and 186,450.57 is: 279,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,902.09 : 282,170.66 = 186,450.57 : x
  2. Step 2: Convert to fraction form
    187,902.09/282,170.66 = 186,450.57/x
  3. Step 3: Cross multiply
    187,902.09x = 282,170.66 × 186,450.57
  4. Step 4: Simplify right side
    187,902.09x = 52,610,879,462.02
  5. Step 5: Solve for x
    x = 52,610,879,462.02/187,902.09
  6. Step 6: Final answer
    x = 279,990.92

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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.