Home / 187,186.32-258,148.98-123,588.36

Finding the Fourth Proportional to 187,186.32, 258,148.98 and 123,588.36

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Solution

The fourth proportional to 187,186.32, 258,148.98 and 123,588.36 is: 170,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,186.32 : 258,148.98 = 123,588.36 : x
  2. Step 2: Convert to fraction form
    187,186.32/258,148.98 = 123,588.36/x
  3. Step 3: Cross multiply
    187,186.32x = 258,148.98 × 123,588.36
  4. Step 4: Simplify right side
    187,186.32x = 31,904,209,073.87
  5. Step 5: Solve for x
    x = 31,904,209,073.87/187,186.32
  6. Step 6: Final answer
    x = 170,440.92

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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.