Home / 185,787.90-256,383.06-100,903.14

Finding the Fourth Proportional to 185,787.90, 256,383.06 and 100,903.14

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Solution

The fourth proportional to 185,787.90, 256,383.06 and 100,903.14 is: 139,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.90 : 256,383.06 = 100,903.14 : x
  2. Step 2: Convert to fraction form
    185,787.90/256,383.06 = 100,903.14/x
  3. Step 3: Cross multiply
    185,787.90x = 256,383.06 × 100,903.14
  4. Step 4: Simplify right side
    185,787.90x = 25,869,855,796.81
  5. Step 5: Solve for x
    x = 25,869,855,796.81/185,787.90
  6. Step 6: Final answer
    x = 139,244.03

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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.