Home / 133,966.72-184,858.40-79,510.56

Finding the Fourth Proportional to 133,966.72, 184,858.40 and 79,510.56

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Solution

The fourth proportional to 133,966.72, 184,858.40 and 79,510.56 is: 109,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,966.72 : 184,858.40 = 79,510.56 : x
  2. Step 2: Convert to fraction form
    133,966.72/184,858.40 = 79,510.56/x
  3. Step 3: Cross multiply
    133,966.72x = 184,858.40 × 79,510.56
  4. Step 4: Simplify right side
    133,966.72x = 14,698,194,904.70
  5. Step 5: Solve for x
    x = 14,698,194,904.70/133,966.72
  6. Step 6: Final answer
    x = 109,715.27

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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.