Home / 187,327.98-258,543.15-139,249.23

Finding the Fourth Proportional to 187,327.98, 258,543.15 and 139,249.23

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Solution

The fourth proportional to 187,327.98, 258,543.15 and 139,249.23 is: 192,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,327.98 : 258,543.15 = 139,249.23 : x
  2. Step 2: Convert to fraction form
    187,327.98/258,543.15 = 139,249.23/x
  3. Step 3: Cross multiply
    187,327.98x = 258,543.15 × 139,249.23
  4. Step 4: Simplify right side
    187,327.98x = 36,001,934,559.27
  5. Step 5: Solve for x
    x = 36,001,934,559.27/187,327.98
  6. Step 6: Final answer
    x = 192,186.64

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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.