Home / 187,231.42-258,230.64-141,443.74

Finding the Fourth Proportional to 187,231.42, 258,230.64 and 141,443.74

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Solution

The fourth proportional to 187,231.42, 258,230.64 and 141,443.74 is: 195,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,231.42 : 258,230.64 = 141,443.74 : x
  2. Step 2: Convert to fraction form
    187,231.42/258,230.64 = 141,443.74/x
  3. Step 3: Cross multiply
    187,231.42x = 258,230.64 × 141,443.74
  4. Step 4: Simplify right side
    187,231.42x = 36,525,107,504.19
  5. Step 5: Solve for x
    x = 36,525,107,504.19/187,231.42
  6. Step 6: Final answer
    x = 195,080.01

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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.