Home / 372,237.48-513,733.34-219,267.78

Finding the Fourth Proportional to 372,237.48, 513,733.34 and 219,267.78

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Solution

The fourth proportional to 372,237.48, 513,733.34 and 219,267.78 is: 302,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,237.48 : 513,733.34 = 219,267.78 : x
  2. Step 2: Convert to fraction form
    372,237.48/513,733.34 = 219,267.78/x
  3. Step 3: Cross multiply
    372,237.48x = 513,733.34 × 219,267.78
  4. Step 4: Simplify right side
    372,237.48x = 112,645,168,973.79
  5. Step 5: Solve for x
    x = 112,645,168,973.79/372,237.48
  6. Step 6: Final answer
    x = 302,616.41

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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.