Home / 133,349.15-184,014.38-72,907.76

Finding the Fourth Proportional to 133,349.15, 184,014.38 and 72,907.76

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Solution

The fourth proportional to 133,349.15, 184,014.38 and 72,907.76 is: 100,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,349.15 : 184,014.38 = 72,907.76 : x
  2. Step 2: Convert to fraction form
    133,349.15/184,014.38 = 72,907.76/x
  3. Step 3: Cross multiply
    133,349.15x = 184,014.38 × 72,907.76
  4. Step 4: Simplify right side
    133,349.15x = 13,416,076,895.89
  5. Step 5: Solve for x
    x = 13,416,076,895.89/133,349.15
  6. Step 6: Final answer
    x = 100,608.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.