Home / 291,336.24-402,042.96-164,012.16

Finding the Fourth Proportional to 291,336.24, 402,042.96 and 164,012.16

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Solution

The fourth proportional to 291,336.24, 402,042.96 and 164,012.16 is: 226,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,336.24 : 402,042.96 = 164,012.16 : x
  2. Step 2: Convert to fraction form
    291,336.24/402,042.96 = 164,012.16/x
  3. Step 3: Cross multiply
    291,336.24x = 402,042.96 × 164,012.16
  4. Step 4: Simplify right side
    291,336.24x = 65,939,934,282.39
  5. Step 5: Solve for x
    x = 65,939,934,282.39/291,336.24
  6. Step 6: Final answer
    x = 226,336.19

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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.