Home / 187,133.56-258,244.04-106,561.08

Finding the Fourth Proportional to 187,133.56, 258,244.04 and 106,561.08

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Solution

The fourth proportional to 187,133.56, 258,244.04 and 106,561.08 is: 147,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,133.56 : 258,244.04 = 106,561.08 : x
  2. Step 2: Convert to fraction form
    187,133.56/258,244.04 = 106,561.08/x
  3. Step 3: Cross multiply
    187,133.56x = 258,244.04 × 106,561.08
  4. Step 4: Simplify right side
    187,133.56x = 27,518,763,805.96
  5. Step 5: Solve for x
    x = 27,518,763,805.96/187,133.56
  6. Step 6: Final answer
    x = 147,054.14

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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.