Home / 282,320.93-389,431.67-167,523.92

Finding the Fourth Proportional to 282,320.93, 389,431.67 and 167,523.92

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Solution

The fourth proportional to 282,320.93, 389,431.67 and 167,523.92 is: 231,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,320.93 : 389,431.67 = 167,523.92 : x
  2. Step 2: Convert to fraction form
    282,320.93/389,431.67 = 167,523.92/x
  3. Step 3: Cross multiply
    282,320.93x = 389,431.67 × 167,523.92
  4. Step 4: Simplify right side
    282,320.93x = 65,239,118,402.20
  5. Step 5: Solve for x
    x = 65,239,118,402.20/282,320.93
  6. Step 6: Final answer
    x = 231,081.41

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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.