Home / 282,429.18-389,748.00-161,600.16

Finding the Fourth Proportional to 282,429.18, 389,748.00 and 161,600.16

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Solution

The fourth proportional to 282,429.18, 389,748.00 and 161,600.16 is: 223,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,429.18 : 389,748.00 = 161,600.16 : x
  2. Step 2: Convert to fraction form
    282,429.18/389,748.00 = 161,600.16/x
  3. Step 3: Cross multiply
    282,429.18x = 389,748.00 × 161,600.16
  4. Step 4: Simplify right side
    282,429.18x = 62,983,341,227.24
  5. Step 5: Solve for x
    x = 62,983,341,227.24/282,429.18
  6. Step 6: Final answer
    x = 223,005.79

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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.