Home / 256,184.03-384,290.06-106,439.46

Finding the Fourth Proportional to 256,184.03, 384,290.06 and 106,439.46

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Solution

The fourth proportional to 256,184.03, 384,290.06 and 106,439.46 is: 159,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,184.03 : 384,290.06 = 106,439.46 : x
  2. Step 2: Convert to fraction form
    256,184.03/384,290.06 = 106,439.46/x
  3. Step 3: Cross multiply
    256,184.03x = 384,290.06 × 106,439.46
  4. Step 4: Simplify right side
    256,184.03x = 40,903,624,496.48
  5. Step 5: Solve for x
    x = 40,903,624,496.48/256,184.03
  6. Step 6: Final answer
    x = 159,665.00

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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.