Home / 179,073.95-247,104.34-102,578.36

Finding the Fourth Proportional to 179,073.95, 247,104.34 and 102,578.36

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Solution

The fourth proportional to 179,073.95, 247,104.34 and 102,578.36 is: 141,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,073.95 : 247,104.34 = 102,578.36 : x
  2. Step 2: Convert to fraction form
    179,073.95/247,104.34 = 102,578.36/x
  3. Step 3: Cross multiply
    179,073.95x = 247,104.34 × 102,578.36
  4. Step 4: Simplify right side
    179,073.95x = 25,347,556,454.11
  5. Step 5: Solve for x
    x = 25,347,556,454.11/179,073.95
  6. Step 6: Final answer
    x = 141,547.99

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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.