Home / 155,593.04-214,266.60-135,165.78

Finding the Fourth Proportional to 155,593.04, 214,266.60 and 135,165.78

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Solution

The fourth proportional to 155,593.04, 214,266.60 and 135,165.78 is: 186,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,593.04 : 214,266.60 = 135,165.78 : x
  2. Step 2: Convert to fraction form
    155,593.04/214,266.60 = 135,165.78/x
  3. Step 3: Cross multiply
    155,593.04x = 214,266.60 × 135,165.78
  4. Step 4: Simplify right side
    155,593.04x = 28,961,512,116.95
  5. Step 5: Solve for x
    x = 28,961,512,116.95/155,593.04
  6. Step 6: Final answer
    x = 186,136.30

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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.