Home / 291,731.67-402,587.55-164,448.27

Finding the Fourth Proportional to 291,731.67, 402,587.55 and 164,448.27

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Solution

The fourth proportional to 291,731.67, 402,587.55 and 164,448.27 is: 226,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,731.67 : 402,587.55 = 164,448.27 : x
  2. Step 2: Convert to fraction form
    291,731.67/402,587.55 = 164,448.27/x
  3. Step 3: Cross multiply
    291,731.67x = 402,587.55 × 164,448.27
  4. Step 4: Simplify right side
    291,731.67x = 66,204,826,121.04
  5. Step 5: Solve for x
    x = 66,204,826,121.04/291,731.67
  6. Step 6: Final answer
    x = 226,937.40

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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.