Home / 291,867.81-402,772.23-164,543.55

Finding the Fourth Proportional to 291,867.81, 402,772.23 and 164,543.55

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Solution

The fourth proportional to 291,867.81, 402,772.23 and 164,543.55 is: 227,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,867.81 : 402,772.23 = 164,543.55 : x
  2. Step 2: Convert to fraction form
    291,867.81/402,772.23 = 164,543.55/x
  3. Step 3: Cross multiply
    291,867.81x = 402,772.23 × 164,543.55
  4. Step 4: Simplify right side
    291,867.81x = 66,273,572,565.62
  5. Step 5: Solve for x
    x = 66,273,572,565.62/291,867.81
  6. Step 6: Final answer
    x = 227,067.08

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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.