Home / 164,779.80-247,191.57-76,053.21

Finding the Fourth Proportional to 164,779.80, 247,191.57 and 76,053.21

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Solution

The fourth proportional to 164,779.80, 247,191.57 and 76,053.21 is: 114,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,779.80 : 247,191.57 = 76,053.21 : x
  2. Step 2: Convert to fraction form
    164,779.80/247,191.57 = 76,053.21/x
  3. Step 3: Cross multiply
    164,779.80x = 247,191.57 × 76,053.21
  4. Step 4: Simplify right side
    164,779.80x = 18,799,712,383.44
  5. Step 5: Solve for x
    x = 18,799,712,383.44/164,779.80
  6. Step 6: Final answer
    x = 114,089.91

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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.