Home / 187,812.62-259,152.73-106,111.05

Finding the Fourth Proportional to 187,812.62, 259,152.73 and 106,111.05

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Solution

The fourth proportional to 187,812.62, 259,152.73 and 106,111.05 is: 146,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,812.62 : 259,152.73 = 106,111.05 : x
  2. Step 2: Convert to fraction form
    187,812.62/259,152.73 = 106,111.05/x
  3. Step 3: Cross multiply
    187,812.62x = 259,152.73 × 106,111.05
  4. Step 4: Simplify right side
    187,812.62x = 27,498,968,290.67
  5. Step 5: Solve for x
    x = 27,498,968,290.67/187,812.62
  6. Step 6: Final answer
    x = 146,417.05

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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.