Home / 187,206.30-258,391.13-106,681.59

Finding the Fourth Proportional to 187,206.30, 258,391.13 and 106,681.59

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Solution

The fourth proportional to 187,206.30, 258,391.13 and 106,681.59 is: 147,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,206.30 : 258,391.13 = 106,681.59 : x
  2. Step 2: Convert to fraction form
    187,206.30/258,391.13 = 106,681.59/x
  3. Step 3: Cross multiply
    187,206.30x = 258,391.13 × 106,681.59
  4. Step 4: Simplify right side
    187,206.30x = 27,565,576,056.89
  5. Step 5: Solve for x
    x = 27,565,576,056.89/187,206.30
  6. Step 6: Final answer
    x = 147,247.05

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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.