Home / 372,022.07-513,387.92-202,256.19

Finding the Fourth Proportional to 372,022.07, 513,387.92 and 202,256.19

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Solution

The fourth proportional to 372,022.07, 513,387.92 and 202,256.19 is: 279,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,022.07 : 513,387.92 = 202,256.19 : x
  2. Step 2: Convert to fraction form
    372,022.07/513,387.92 = 202,256.19/x
  3. Step 3: Cross multiply
    372,022.07x = 513,387.92 × 202,256.19
  4. Step 4: Simplify right side
    372,022.07x = 103,835,885,196.87
  5. Step 5: Solve for x
    x = 103,835,885,196.87/372,022.07
  6. Step 6: Final answer
    x = 279,112.17

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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.