Home / 210,144.22-289,998.73-114,650.91

Finding the Fourth Proportional to 210,144.22, 289,998.73 and 114,650.91

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Solution

The fourth proportional to 210,144.22, 289,998.73 and 114,650.91 is: 158,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,144.22 : 289,998.73 = 114,650.91 : x
  2. Step 2: Convert to fraction form
    210,144.22/289,998.73 = 114,650.91/x
  3. Step 3: Cross multiply
    210,144.22x = 289,998.73 × 114,650.91
  4. Step 4: Simplify right side
    210,144.22x = 33,248,619,411.14
  5. Step 5: Solve for x
    x = 33,248,619,411.14/210,144.22
  6. Step 6: Final answer
    x = 158,218.10

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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.