Home / 133,511.49-184,254.75-76,926.51

Finding the Fourth Proportional to 133,511.49, 184,254.75 and 76,926.51

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Solution

The fourth proportional to 133,511.49, 184,254.75 and 76,926.51 is: 106,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,511.49 : 184,254.75 = 76,926.51 : x
  2. Step 2: Convert to fraction form
    133,511.49/184,254.75 = 76,926.51/x
  3. Step 3: Cross multiply
    133,511.49x = 184,254.75 × 76,926.51
  4. Step 4: Simplify right side
    133,511.49x = 14,174,074,868.42
  5. Step 5: Solve for x
    x = 14,174,074,868.42/133,511.49
  6. Step 6: Final answer
    x = 106,163.71

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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.