Home / 136,941.08-205,488.98-73,759.86

Finding the Fourth Proportional to 136,941.08, 205,488.98 and 73,759.86

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Solution

The fourth proportional to 136,941.08, 205,488.98 and 73,759.86 is: 110,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,941.08 : 205,488.98 = 73,759.86 : x
  2. Step 2: Convert to fraction form
    136,941.08/205,488.98 = 73,759.86/x
  3. Step 3: Cross multiply
    136,941.08x = 205,488.98 × 73,759.86
  4. Step 4: Simplify right side
    136,941.08x = 15,156,838,027.54
  5. Step 5: Solve for x
    x = 15,156,838,027.54/136,941.08
  6. Step 6: Final answer
    x = 110,681.46

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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.