Home / 291,331.14-402,044.52-164,011.32

Finding the Fourth Proportional to 291,331.14, 402,044.52 and 164,011.32

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Solution

The fourth proportional to 291,331.14, 402,044.52 and 164,011.32 is: 226,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,331.14 : 402,044.52 = 164,011.32 : x
  2. Step 2: Convert to fraction form
    291,331.14/402,044.52 = 164,011.32/x
  3. Step 3: Cross multiply
    291,331.14x = 402,044.52 × 164,011.32
  4. Step 4: Simplify right side
    291,331.14x = 65,939,852,423.97
  5. Step 5: Solve for x
    x = 65,939,852,423.97/291,331.14
  6. Step 6: Final answer
    x = 226,339.87

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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.