Home / 187,382.88-258,613.43-105,727.93

Finding the Fourth Proportional to 187,382.88, 258,613.43 and 105,727.93

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Solution

The fourth proportional to 187,382.88, 258,613.43 and 105,727.93 is: 145,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,382.88 : 258,613.43 = 105,727.93 : x
  2. Step 2: Convert to fraction form
    187,382.88/258,613.43 = 105,727.93/x
  3. Step 3: Cross multiply
    187,382.88x = 258,613.43 × 105,727.93
  4. Step 4: Simplify right side
    187,382.88x = 27,342,661,448.93
  5. Step 5: Solve for x
    x = 27,342,661,448.93/187,382.88
  6. Step 6: Final answer
    x = 145,918.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.