Home / 187,623.41-258,915.29-107,049.47

Finding the Fourth Proportional to 187,623.41, 258,915.29 and 107,049.47

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Solution

The fourth proportional to 187,623.41, 258,915.29 and 107,049.47 is: 147,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,623.41 : 258,915.29 = 107,049.47 : x
  2. Step 2: Convert to fraction form
    187,623.41/258,915.29 = 107,049.47/x
  3. Step 3: Cross multiply
    187,623.41x = 258,915.29 × 107,049.47
  4. Step 4: Simplify right side
    187,623.41x = 27,716,742,739.57
  5. Step 5: Solve for x
    x = 27,716,742,739.57/187,623.41
  6. Step 6: Final answer
    x = 147,725.40

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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.