Home / 291,919.41-402,849.41-157,783.41

Finding the Fourth Proportional to 291,919.41, 402,849.41 and 157,783.41

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Solution

The fourth proportional to 291,919.41, 402,849.41 and 157,783.41 is: 217,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,919.41 : 402,849.41 = 157,783.41 : x
  2. Step 2: Convert to fraction form
    291,919.41/402,849.41 = 157,783.41/x
  3. Step 3: Cross multiply
    291,919.41x = 402,849.41 × 157,783.41
  4. Step 4: Simplify right side
    291,919.41x = 63,562,952,837.37
  5. Step 5: Solve for x
    x = 63,562,952,837.37/291,919.41
  6. Step 6: Final answer
    x = 217,741.44

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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.