Home / 165,918.30-248,877.45-99,563.10

Finding the Fourth Proportional to 165,918.30, 248,877.45 and 99,563.10

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Solution

The fourth proportional to 165,918.30, 248,877.45 and 99,563.10 is: 149,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,918.30 : 248,877.45 = 99,563.10 : x
  2. Step 2: Convert to fraction form
    165,918.30/248,877.45 = 99,563.10/x
  3. Step 3: Cross multiply
    165,918.30x = 248,877.45 × 99,563.10
  4. Step 4: Simplify right side
    165,918.30x = 24,779,010,442.10
  5. Step 5: Solve for x
    x = 24,779,010,442.10/165,918.30
  6. Step 6: Final answer
    x = 149,344.65

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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.