Home / 140,024.92-209,398.92-104,511.28

Finding the Fourth Proportional to 140,024.92, 209,398.92 and 104,511.28

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Solution

The fourth proportional to 140,024.92, 209,398.92 and 104,511.28 is: 156,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,024.92 : 209,398.92 = 104,511.28 : x
  2. Step 2: Convert to fraction form
    140,024.92/209,398.92 = 104,511.28/x
  3. Step 3: Cross multiply
    140,024.92x = 209,398.92 × 104,511.28
  4. Step 4: Simplify right side
    140,024.92x = 21,884,549,159.82
  5. Step 5: Solve for x
    x = 21,884,549,159.82/140,024.92
  6. Step 6: Final answer
    x = 156,290.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.