Home / 119,382.60-164,816.07-79,150.83

Finding the Fourth Proportional to 119,382.60, 164,816.07 and 79,150.83

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Solution

The fourth proportional to 119,382.60, 164,816.07 and 79,150.83 is: 109,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,382.60 : 164,816.07 = 79,150.83 : x
  2. Step 2: Convert to fraction form
    119,382.60/164,816.07 = 79,150.83/x
  3. Step 3: Cross multiply
    119,382.60x = 164,816.07 × 79,150.83
  4. Step 4: Simplify right side
    119,382.60x = 13,045,328,737.84
  5. Step 5: Solve for x
    x = 13,045,328,737.84/119,382.60
  6. Step 6: Final answer
    x = 109,273.28

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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.