Home / 372,019.41-513,197.51-243,033.38

Finding the Fourth Proportional to 372,019.41, 513,197.51 and 243,033.38

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Solution

The fourth proportional to 372,019.41, 513,197.51 and 243,033.38 is: 335,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,019.41 : 513,197.51 = 243,033.38 : x
  2. Step 2: Convert to fraction form
    372,019.41/513,197.51 = 243,033.38/x
  3. Step 3: Cross multiply
    372,019.41x = 513,197.51 × 243,033.38
  4. Step 4: Simplify right side
    372,019.41x = 124,724,125,462.88
  5. Step 5: Solve for x
    x = 124,724,125,462.88/372,019.41
  6. Step 6: Final answer
    x = 335,262.41

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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.