Home / 165,913.40-248,845.80-47,572.40

Finding the Fourth Proportional to 165,913.40, 248,845.80 and 47,572.40

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Solution

The fourth proportional to 165,913.40, 248,845.80 and 47,572.40 is: 71,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,913.40 : 248,845.80 = 47,572.40 : x
  2. Step 2: Convert to fraction form
    165,913.40/248,845.80 = 47,572.40/x
  3. Step 3: Cross multiply
    165,913.40x = 248,845.80 × 47,572.40
  4. Step 4: Simplify right side
    165,913.40x = 11,838,191,935.92
  5. Step 5: Solve for x
    x = 11,838,191,935.92/165,913.40
  6. Step 6: Final answer
    x = 71,351.63

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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.