Home / 174,126.45-261,169.16-47,779.47

Finding the Fourth Proportional to 174,126.45, 261,169.16 and 47,779.47

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Solution

The fourth proportional to 174,126.45, 261,169.16 and 47,779.47 is: 71,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,126.45 : 261,169.16 = 47,779.47 : x
  2. Step 2: Convert to fraction form
    174,126.45/261,169.16 = 47,779.47/x
  3. Step 3: Cross multiply
    174,126.45x = 261,169.16 × 47,779.47
  4. Step 4: Simplify right side
    174,126.45x = 12,478,523,806.25
  5. Step 5: Solve for x
    x = 12,478,523,806.25/174,126.45
  6. Step 6: Final answer
    x = 71,663.57

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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.