Home / 155,558.40-233,619.20-136,204.80

Finding the Fourth Proportional to 155,558.40, 233,619.20 and 136,204.80

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Solution

The fourth proportional to 155,558.40, 233,619.20 and 136,204.80 is: 204,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,558.40 : 233,619.20 = 136,204.80 : x
  2. Step 2: Convert to fraction form
    155,558.40/233,619.20 = 136,204.80/x
  3. Step 3: Cross multiply
    155,558.40x = 233,619.20 × 136,204.80
  4. Step 4: Simplify right side
    155,558.40x = 31,820,056,412.16
  5. Step 5: Solve for x
    x = 31,820,056,412.16/155,558.40
  6. Step 6: Final answer
    x = 204,553.77

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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.