Home / 187,157.76-258,304.05-119,153.01

Finding the Fourth Proportional to 187,157.76, 258,304.05 and 119,153.01

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Solution

The fourth proportional to 187,157.76, 258,304.05 and 119,153.01 is: 164,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,157.76 : 258,304.05 = 119,153.01 : x
  2. Step 2: Convert to fraction form
    187,157.76/258,304.05 = 119,153.01/x
  3. Step 3: Cross multiply
    187,157.76x = 258,304.05 × 119,153.01
  4. Step 4: Simplify right side
    187,157.76x = 30,777,705,052.69
  5. Step 5: Solve for x
    x = 30,777,705,052.69/187,157.76
  6. Step 6: Final answer
    x = 164,447.92

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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.