Home / 133,773.18-184,608.51-76,420.14

Finding the Fourth Proportional to 133,773.18, 184,608.51 and 76,420.14

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Solution

The fourth proportional to 133,773.18, 184,608.51 and 76,420.14 is: 105,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,773.18 : 184,608.51 = 76,420.14 : x
  2. Step 2: Convert to fraction form
    133,773.18/184,608.51 = 76,420.14/x
  3. Step 3: Cross multiply
    133,773.18x = 184,608.51 × 76,420.14
  4. Step 4: Simplify right side
    133,773.18x = 14,107,808,179.39
  5. Step 5: Solve for x
    x = 14,107,808,179.39/133,773.18
  6. Step 6: Final answer
    x = 105,460.66

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1.5x scale

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.