Home / 175,035.60-262,553.40-81,550.80

Finding the Fourth Proportional to 175,035.60, 262,553.40 and 81,550.80

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Solution

The fourth proportional to 175,035.60, 262,553.40 and 81,550.80 is: 122,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,035.60 : 262,553.40 = 81,550.80 : x
  2. Step 2: Convert to fraction form
    175,035.60/262,553.40 = 81,550.80/x
  3. Step 3: Cross multiply
    175,035.60x = 262,553.40 × 81,550.80
  4. Step 4: Simplify right side
    175,035.60x = 21,411,439,812.72
  5. Step 5: Solve for x
    x = 21,411,439,812.72/175,035.60
  6. Step 6: Final answer
    x = 122,326.20

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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.