Home / 210,007.78-289,809.57-114,512.43

Finding the Fourth Proportional to 210,007.78, 289,809.57 and 114,512.43

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Solution

The fourth proportional to 210,007.78, 289,809.57 and 114,512.43 is: 158,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.78 : 289,809.57 = 114,512.43 : x
  2. Step 2: Convert to fraction form
    210,007.78/289,809.57 = 114,512.43/x
  3. Step 3: Cross multiply
    210,007.78x = 289,809.57 × 114,512.43
  4. Step 4: Simplify right side
    210,007.78x = 33,186,798,097.96
  5. Step 5: Solve for x
    x = 33,186,798,097.96/210,007.78
  6. Step 6: Final answer
    x = 158,026.52

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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.