Home / 266,085.60-398,545.20-236,536.80

Finding the Fourth Proportional to 266,085.60, 398,545.20 and 236,536.80

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Solution

The fourth proportional to 266,085.60, 398,545.20 and 236,536.80 is: 354,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,085.60 : 398,545.20 = 236,536.80 : x
  2. Step 2: Convert to fraction form
    266,085.60/398,545.20 = 236,536.80/x
  3. Step 3: Cross multiply
    266,085.60x = 398,545.20 × 236,536.80
  4. Step 4: Simplify right side
    266,085.60x = 94,270,606,263.36
  5. Step 5: Solve for x
    x = 94,270,606,263.36/266,085.60
  6. Step 6: Final answer
    x = 354,286.76

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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.