Home / 262,344.36-391,470.39-234,070.05

Finding the Fourth Proportional to 262,344.36, 391,470.39 and 234,070.05

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Solution

The fourth proportional to 262,344.36, 391,470.39 and 234,070.05 is: 349,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,344.36 : 391,470.39 = 234,070.05 : x
  2. Step 2: Convert to fraction form
    262,344.36/391,470.39 = 234,070.05/x
  3. Step 3: Cross multiply
    262,344.36x = 391,470.39 × 234,070.05
  4. Step 4: Simplify right side
    262,344.36x = 91,631,493,760.82
  5. Step 5: Solve for x
    x = 91,631,493,760.82/262,344.36
  6. Step 6: Final answer
    x = 349,279.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.