Home / 187,890.24-259,292.16-103,002.24

Finding the Fourth Proportional to 187,890.24, 259,292.16 and 103,002.24

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Solution

The fourth proportional to 187,890.24, 259,292.16 and 103,002.24 is: 142,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,890.24 : 259,292.16 = 103,002.24 : x
  2. Step 2: Convert to fraction form
    187,890.24/259,292.16 = 103,002.24/x
  3. Step 3: Cross multiply
    187,890.24x = 259,292.16 × 103,002.24
  4. Step 4: Simplify right side
    187,890.24x = 26,707,673,294.44
  5. Step 5: Solve for x
    x = 26,707,673,294.44/187,890.24
  6. Step 6: Final answer
    x = 142,145.08

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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.