Home / 185,643.83-256,181.64-100,759.07

Finding the Fourth Proportional to 185,643.83, 256,181.64 and 100,759.07

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Solution

The fourth proportional to 185,643.83, 256,181.64 and 100,759.07 is: 139,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,643.83 : 256,181.64 = 100,759.07 : x
  2. Step 2: Convert to fraction form
    185,643.83/256,181.64 = 100,759.07/x
  3. Step 3: Cross multiply
    185,643.83x = 256,181.64 × 100,759.07
  4. Step 4: Simplify right side
    185,643.83x = 25,812,624,060.08
  5. Step 5: Solve for x
    x = 25,812,624,060.08/185,643.83
  6. Step 6: Final answer
    x = 139,043.80

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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.