Home / 133,338.67-184,053.71-76,772.59

Finding the Fourth Proportional to 133,338.67, 184,053.71 and 76,772.59

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Solution

The fourth proportional to 133,338.67, 184,053.71 and 76,772.59 is: 105,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.67 : 184,053.71 = 76,772.59 : x
  2. Step 2: Convert to fraction form
    133,338.67/184,053.71 = 76,772.59/x
  3. Step 3: Cross multiply
    133,338.67x = 184,053.71 × 76,772.59
  4. Step 4: Simplify right side
    133,338.67x = 14,130,280,015.81
  5. Step 5: Solve for x
    x = 14,130,280,015.81/133,338.67
  6. Step 6: Final answer
    x = 105,972.86

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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.