Home / 202,265.40-279,127.44-111,623.70

Finding the Fourth Proportional to 202,265.40, 279,127.44 and 111,623.70

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Solution

The fourth proportional to 202,265.40, 279,127.44 and 111,623.70 is: 154,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,265.40 : 279,127.44 = 111,623.70 : x
  2. Step 2: Convert to fraction form
    202,265.40/279,127.44 = 111,623.70/x
  3. Step 3: Cross multiply
    202,265.40x = 279,127.44 × 111,623.70
  4. Step 4: Simplify right side
    202,265.40x = 31,157,237,624.33
  5. Step 5: Solve for x
    x = 31,157,237,624.33/202,265.40
  6. Step 6: Final answer
    x = 154,041.36

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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.