Home / 253,228.42-349,562.82-157,782.27

Finding the Fourth Proportional to 253,228.42, 349,562.82 and 157,782.27

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Solution

The fourth proportional to 253,228.42, 349,562.82 and 157,782.27 is: 217,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,228.42 : 349,562.82 = 157,782.27 : x
  2. Step 2: Convert to fraction form
    253,228.42/349,562.82 = 157,782.27/x
  3. Step 3: Cross multiply
    253,228.42x = 349,562.82 × 157,782.27
  4. Step 4: Simplify right side
    253,228.42x = 55,154,815,247.20
  5. Step 5: Solve for x
    x = 55,154,815,247.20/253,228.42
  6. Step 6: Final answer
    x = 217,806.58

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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.