Home / 164,779.22-247,242.68-75,985.13

Finding the Fourth Proportional to 164,779.22, 247,242.68 and 75,985.13

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Solution

The fourth proportional to 164,779.22, 247,242.68 and 75,985.13 is: 114,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,779.22 : 247,242.68 = 75,985.13 : x
  2. Step 2: Convert to fraction form
    164,779.22/247,242.68 = 75,985.13/x
  3. Step 3: Cross multiply
    164,779.22x = 247,242.68 × 75,985.13
  4. Step 4: Simplify right side
    164,779.22x = 18,786,767,704.47
  5. Step 5: Solve for x
    x = 18,786,767,704.47/164,779.22
  6. Step 6: Final answer
    x = 114,011.75

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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.