Home / 215,344.93-323,017.40-57,569.28

Finding the Fourth Proportional to 215,344.93, 323,017.40 and 57,569.28

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Solution

The fourth proportional to 215,344.93, 323,017.40 and 57,569.28 is: 86,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,344.93 : 323,017.40 = 57,569.28 : x
  2. Step 2: Convert to fraction form
    215,344.93/323,017.40 = 57,569.28/x
  3. Step 3: Cross multiply
    215,344.93x = 323,017.40 × 57,569.28
  4. Step 4: Simplify right side
    215,344.93x = 18,595,879,895.05
  5. Step 5: Solve for x
    x = 18,595,879,895.05/215,344.93
  6. Step 6: Final answer
    x = 86,353.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.