Home / 352,436.27-486,349.02-191,287.87

Finding the Fourth Proportional to 352,436.27, 486,349.02 and 191,287.87

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Solution

The fourth proportional to 352,436.27, 486,349.02 and 191,287.87 is: 263,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,436.27 : 486,349.02 = 191,287.87 : x
  2. Step 2: Convert to fraction form
    352,436.27/486,349.02 = 191,287.87/x
  3. Step 3: Cross multiply
    352,436.27x = 486,349.02 × 191,287.87
  4. Step 4: Simplify right side
    352,436.27x = 93,032,668,112.39
  5. Step 5: Solve for x
    x = 93,032,668,112.39/352,436.27
  6. Step 6: Final answer
    x = 263,970.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.