Home / 202,243.14-279,084.63-111,581.34

Finding the Fourth Proportional to 202,243.14, 279,084.63 and 111,581.34

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Solution

The fourth proportional to 202,243.14, 279,084.63 and 111,581.34 is: 153,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,243.14 : 279,084.63 = 111,581.34 : x
  2. Step 2: Convert to fraction form
    202,243.14/279,084.63 = 111,581.34/x
  3. Step 3: Cross multiply
    202,243.14x = 279,084.63 × 111,581.34
  4. Step 4: Simplify right side
    202,243.14x = 31,140,636,988.80
  5. Step 5: Solve for x
    x = 31,140,636,988.80/202,243.14
  6. Step 6: Final answer
    x = 153,976.23

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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.