Home / 210,009.91-289,812.49-114,514.55

Finding the Fourth Proportional to 210,009.91, 289,812.49 and 114,514.55

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Solution

The fourth proportional to 210,009.91, 289,812.49 and 114,514.55 is: 158,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,009.91 : 289,812.49 = 114,514.55 : x
  2. Step 2: Convert to fraction form
    210,009.91/289,812.49 = 114,514.55/x
  3. Step 3: Cross multiply
    210,009.91x = 289,812.49 × 114,514.55
  4. Step 4: Simplify right side
    210,009.91x = 33,187,746,876.73
  5. Step 5: Solve for x
    x = 33,187,746,876.73/210,009.91
  6. Step 6: Final answer
    x = 158,029.43

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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.