Home / 187,240.23-258,392.30-106,671.15

Finding the Fourth Proportional to 187,240.23, 258,392.30 and 106,671.15

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Solution

The fourth proportional to 187,240.23, 258,392.30 and 106,671.15 is: 147,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,240.23 : 258,392.30 = 106,671.15 : x
  2. Step 2: Convert to fraction form
    187,240.23/258,392.30 = 106,671.15/x
  3. Step 3: Cross multiply
    187,240.23x = 258,392.30 × 106,671.15
  4. Step 4: Simplify right side
    187,240.23x = 27,563,003,258.79
  5. Step 5: Solve for x
    x = 27,563,003,258.79/187,240.23
  6. Step 6: Final answer
    x = 147,206.63

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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.