Home / 187,240.26-280,611.99-81,944.58

Finding the Fourth Proportional to 187,240.26, 280,611.99 and 81,944.58

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Solution

The fourth proportional to 187,240.26, 280,611.99 and 81,944.58 is: 122,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,240.26 : 280,611.99 = 81,944.58 : x
  2. Step 2: Convert to fraction form
    187,240.26/280,611.99 = 81,944.58/x
  3. Step 3: Cross multiply
    187,240.26x = 280,611.99 × 81,944.58
  4. Step 4: Simplify right side
    187,240.26x = 22,994,631,663.51
  5. Step 5: Solve for x
    x = 22,994,631,663.51/187,240.26
  6. Step 6: Final answer
    x = 122,808.16

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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.