Home / 137,180.91-205,779.33-52,941.45

Finding the Fourth Proportional to 137,180.91, 205,779.33 and 52,941.45

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Solution

The fourth proportional to 137,180.91, 205,779.33 and 52,941.45 is: 79,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,180.91 : 205,779.33 = 52,941.45 : x
  2. Step 2: Convert to fraction form
    137,180.91/205,779.33 = 52,941.45/x
  3. Step 3: Cross multiply
    137,180.91x = 205,779.33 × 52,941.45
  4. Step 4: Simplify right side
    137,180.91x = 10,894,256,110.23
  5. Step 5: Solve for x
    x = 10,894,256,110.23/137,180.91
  6. Step 6: Final answer
    x = 79,415.25

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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.