Home / 202,331.92-279,233.52-111,705.36

Finding the Fourth Proportional to 202,331.92, 279,233.52 and 111,705.36

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Solution

The fourth proportional to 202,331.92, 279,233.52 and 111,705.36 is: 154,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,331.92 : 279,233.52 = 111,705.36 : x
  2. Step 2: Convert to fraction form
    202,331.92/279,233.52 = 111,705.36/x
  3. Step 3: Cross multiply
    202,331.92x = 279,233.52 × 111,705.36
  4. Step 4: Simplify right side
    202,331.92x = 31,191,880,875.67
  5. Step 5: Solve for x
    x = 31,191,880,875.67/202,331.92
  6. Step 6: Final answer
    x = 154,161.94

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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.