Home / 372,148.16-513,552.44-211,017.56

Finding the Fourth Proportional to 372,148.16, 513,552.44 and 211,017.56

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Solution

The fourth proportional to 372,148.16, 513,552.44 and 211,017.56 is: 291,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,148.16 : 513,552.44 = 211,017.56 : x
  2. Step 2: Convert to fraction form
    372,148.16/513,552.44 = 211,017.56/x
  3. Step 3: Cross multiply
    372,148.16x = 513,552.44 × 211,017.56
  4. Step 4: Simplify right side
    372,148.16x = 108,368,580,780.63
  5. Step 5: Solve for x
    x = 108,368,580,780.63/372,148.16
  6. Step 6: Final answer
    x = 291,197.42

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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.