Home / 165,815.51-248,731.76-47,483.72

Finding the Fourth Proportional to 165,815.51, 248,731.76 and 47,483.72

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Solution

The fourth proportional to 165,815.51, 248,731.76 and 47,483.72 is: 71,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,815.51 : 248,731.76 = 47,483.72 : x
  2. Step 2: Convert to fraction form
    165,815.51/248,731.76 = 47,483.72/x
  3. Step 3: Cross multiply
    165,815.51x = 248,731.76 × 47,483.72
  4. Step 4: Simplify right side
    165,815.51x = 11,810,709,054.74
  5. Step 5: Solve for x
    x = 11,810,709,054.74/165,815.51
  6. Step 6: Final answer
    x = 71,228.01

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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.