Home / 187,261.81-258,247.59-119,207.84

Finding the Fourth Proportional to 187,261.81, 258,247.59 and 119,207.84

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Solution

The fourth proportional to 187,261.81, 258,247.59 and 119,207.84 is: 164,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,261.81 : 258,247.59 = 119,207.84 : x
  2. Step 2: Convert to fraction form
    187,261.81/258,247.59 = 119,207.84/x
  3. Step 3: Cross multiply
    187,261.81x = 258,247.59 × 119,207.84
  4. Step 4: Simplify right side
    187,261.81x = 30,785,136,321.38
  5. Step 5: Solve for x
    x = 30,785,136,321.38/187,261.81
  6. Step 6: Final answer
    x = 164,396.24

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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.