Home / 187,535.16-258,488.82-139,771.08

Finding the Fourth Proportional to 187,535.16, 258,488.82 and 139,771.08

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Solution

The fourth proportional to 187,535.16, 258,488.82 and 139,771.08 is: 192,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,535.16 : 258,488.82 = 139,771.08 : x
  2. Step 2: Convert to fraction form
    187,535.16/258,488.82 = 139,771.08/x
  3. Step 3: Cross multiply
    187,535.16x = 258,488.82 × 139,771.08
  4. Step 4: Simplify right side
    187,535.16x = 36,129,261,539.33
  5. Step 5: Solve for x
    x = 36,129,261,539.33/187,535.16
  6. Step 6: Final answer
    x = 192,653.27

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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.