Home / 187,662.06-258,964.02-102,777.30

Finding the Fourth Proportional to 187,662.06, 258,964.02 and 102,777.30

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Solution

The fourth proportional to 187,662.06, 258,964.02 and 102,777.30 is: 141,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,662.06 : 258,964.02 = 102,777.30 : x
  2. Step 2: Convert to fraction form
    187,662.06/258,964.02 = 102,777.30/x
  3. Step 3: Cross multiply
    187,662.06x = 258,964.02 × 102,777.30
  4. Step 4: Simplify right side
    187,662.06x = 26,615,622,772.75
  5. Step 5: Solve for x
    x = 26,615,622,772.75/187,662.06
  6. Step 6: Final answer
    x = 141,827.40

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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.