Home / 133,901.16-184,790.28-76,543.44

Finding the Fourth Proportional to 133,901.16, 184,790.28 and 76,543.44

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Solution

The fourth proportional to 133,901.16, 184,790.28 and 76,543.44 is: 105,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,901.16 : 184,790.28 = 76,543.44 : x
  2. Step 2: Convert to fraction form
    133,901.16/184,790.28 = 76,543.44/x
  3. Step 3: Cross multiply
    133,901.16x = 184,790.28 × 76,543.44
  4. Step 4: Simplify right side
    133,901.16x = 14,144,483,709.76
  5. Step 5: Solve for x
    x = 14,144,483,709.76/133,901.16
  6. Step 6: Final answer
    x = 105,633.77

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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.