Home / 256,040.04-353,398.50-155,522.28

Finding the Fourth Proportional to 256,040.04, 353,398.50 and 155,522.28

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Solution

The fourth proportional to 256,040.04, 353,398.50 and 155,522.28 is: 214,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,040.04 : 353,398.50 = 155,522.28 : x
  2. Step 2: Convert to fraction form
    256,040.04/353,398.50 = 155,522.28/x
  3. Step 3: Cross multiply
    256,040.04x = 353,398.50 × 155,522.28
  4. Step 4: Simplify right side
    256,040.04x = 54,961,340,468.58
  5. Step 5: Solve for x
    x = 54,961,340,468.58/256,040.04
  6. Step 6: Final answer
    x = 214,659.16

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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.