Home / 187,698.06-281,574.54-54,561.02

Finding the Fourth Proportional to 187,698.06, 281,574.54 and 54,561.02

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Solution

The fourth proportional to 187,698.06, 281,574.54 and 54,561.02 is: 81,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,698.06 : 281,574.54 = 54,561.02 : x
  2. Step 2: Convert to fraction form
    187,698.06/281,574.54 = 54,561.02/x
  3. Step 3: Cross multiply
    187,698.06x = 281,574.54 × 54,561.02
  4. Step 4: Simplify right side
    187,698.06x = 15,362,994,108.43
  5. Step 5: Solve for x
    x = 15,362,994,108.43/187,698.06
  6. Step 6: Final answer
    x = 81,849.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.