Home / 159,108.34-219,514.87-98,657.23

Finding the Fourth Proportional to 159,108.34, 219,514.87 and 98,657.23

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Solution

The fourth proportional to 159,108.34, 219,514.87 and 98,657.23 is: 136,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,108.34 : 219,514.87 = 98,657.23 : x
  2. Step 2: Convert to fraction form
    159,108.34/219,514.87 = 98,657.23/x
  3. Step 3: Cross multiply
    159,108.34x = 219,514.87 × 98,657.23
  4. Step 4: Simplify right side
    159,108.34x = 21,656,728,592.54
  5. Step 5: Solve for x
    x = 21,656,728,592.54/159,108.34
  6. Step 6: Final answer
    x = 136,113.10

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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.