Home / 165,616.86-248,390.46-53,307.12

Finding the Fourth Proportional to 165,616.86, 248,390.46 and 53,307.12

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Solution

The fourth proportional to 165,616.86, 248,390.46 and 53,307.12 is: 79,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,616.86 : 248,390.46 = 53,307.12 : x
  2. Step 2: Convert to fraction form
    165,616.86/248,390.46 = 53,307.12/x
  3. Step 3: Cross multiply
    165,616.86x = 248,390.46 × 53,307.12
  4. Step 4: Simplify right side
    165,616.86x = 13,240,980,058.08
  5. Step 5: Solve for x
    x = 13,240,980,058.08/165,616.86
  6. Step 6: Final answer
    x = 79,949.47

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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.