Home / 201,675.29-278,301.34-111,013.55

Finding the Fourth Proportional to 201,675.29, 278,301.34 and 111,013.55

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Solution

The fourth proportional to 201,675.29, 278,301.34 and 111,013.55 is: 153,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,675.29 : 278,301.34 = 111,013.55 : x
  2. Step 2: Convert to fraction form
    201,675.29/278,301.34 = 111,013.55/x
  3. Step 3: Cross multiply
    201,675.29x = 278,301.34 × 111,013.55
  4. Step 4: Simplify right side
    201,675.29x = 30,895,219,749.30
  5. Step 5: Solve for x
    x = 30,895,219,749.30/201,675.29
  6. Step 6: Final answer
    x = 153,192.88

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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.