Home / 257,813.04-355,847.40-176,174.34

Finding the Fourth Proportional to 257,813.04, 355,847.40 and 176,174.34

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Solution

The fourth proportional to 257,813.04, 355,847.40 and 176,174.34 is: 243,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,813.04 : 355,847.40 = 176,174.34 : x
  2. Step 2: Convert to fraction form
    257,813.04/355,847.40 = 176,174.34/x
  3. Step 3: Cross multiply
    257,813.04x = 355,847.40 × 176,174.34
  4. Step 4: Simplify right side
    257,813.04x = 62,691,180,320.61
  5. Step 5: Solve for x
    x = 62,691,180,320.61/257,813.04
  6. Step 6: Final answer
    x = 243,165.28

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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.