Home / 177,917.60-266,876.40-171,696.80

Finding the Fourth Proportional to 177,917.60, 266,876.40 and 171,696.80

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Solution

The fourth proportional to 177,917.60, 266,876.40 and 171,696.80 is: 257,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,917.60 : 266,876.40 = 171,696.80 : x
  2. Step 2: Convert to fraction form
    177,917.60/266,876.40 = 171,696.80/x
  3. Step 3: Cross multiply
    177,917.60x = 266,876.40 × 171,696.80
  4. Step 4: Simplify right side
    177,917.60x = 45,821,823,875.52
  5. Step 5: Solve for x
    x = 45,821,823,875.52/177,917.60
  6. Step 6: Final answer
    x = 257,545.20

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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.