Home / 187,331.08-258,523.62-106,770.76

Finding the Fourth Proportional to 187,331.08, 258,523.62 and 106,770.76

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Solution

The fourth proportional to 187,331.08, 258,523.62 and 106,770.76 is: 147,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,331.08 : 258,523.62 = 106,770.76 : x
  2. Step 2: Convert to fraction form
    187,331.08/258,523.62 = 106,770.76/x
  3. Step 3: Cross multiply
    187,331.08x = 258,523.62 × 106,770.76
  4. Step 4: Simplify right side
    187,331.08x = 27,602,763,385.35
  5. Step 5: Solve for x
    x = 27,602,763,385.35/187,331.08
  6. Step 6: Final answer
    x = 147,347.48

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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.