Home / 165,326.50-248,013.12-52,980.46

Finding the Fourth Proportional to 165,326.50, 248,013.12 and 52,980.46

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Solution

The fourth proportional to 165,326.50, 248,013.12 and 52,980.46 is: 79,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,326.50 : 248,013.12 = 52,980.46 : x
  2. Step 2: Convert to fraction form
    165,326.50/248,013.12 = 52,980.46/x
  3. Step 3: Cross multiply
    165,326.50x = 248,013.12 × 52,980.46
  4. Step 4: Simplify right side
    165,326.50x = 13,139,849,183.64
  5. Step 5: Solve for x
    x = 13,139,849,183.64/165,326.50
  6. Step 6: Final answer
    x = 79,478.18

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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.