Home / 201,677.30-278,304.13-111,015.57

Finding the Fourth Proportional to 201,677.30, 278,304.13 and 111,015.57

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Solution

The fourth proportional to 201,677.30, 278,304.13 and 111,015.57 is: 153,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,677.30 : 278,304.13 = 111,015.57 : x
  2. Step 2: Convert to fraction form
    201,677.30/278,304.13 = 111,015.57/x
  3. Step 3: Cross multiply
    201,677.30x = 278,304.13 × 111,015.57
  4. Step 4: Simplify right side
    201,677.30x = 30,896,091,347.77
  5. Step 5: Solve for x
    x = 30,896,091,347.77/201,677.30
  6. Step 6: Final answer
    x = 153,195.68

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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.