Home / 119,623.40-179,240.70-99,794.60

Finding the Fourth Proportional to 119,623.40, 179,240.70 and 99,794.60

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Solution

The fourth proportional to 119,623.40, 179,240.70 and 99,794.60 is: 149,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,623.40 : 179,240.70 = 99,794.60 : x
  2. Step 2: Convert to fraction form
    119,623.40/179,240.70 = 99,794.60/x
  3. Step 3: Cross multiply
    119,623.40x = 179,240.70 × 99,794.60
  4. Step 4: Simplify right side
    119,623.40x = 17,887,253,960.22
  5. Step 5: Solve for x
    x = 17,887,253,960.22/119,623.40
  6. Step 6: Final answer
    x = 149,529.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.