Home / 201,944.28-278,681.64-111,300.28

Finding the Fourth Proportional to 201,944.28, 278,681.64 and 111,300.28

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Solution

The fourth proportional to 201,944.28, 278,681.64 and 111,300.28 is: 153,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,944.28 : 278,681.64 = 111,300.28 : x
  2. Step 2: Convert to fraction form
    201,944.28/278,681.64 = 111,300.28/x
  3. Step 3: Cross multiply
    201,944.28x = 278,681.64 × 111,300.28
  4. Step 4: Simplify right side
    201,944.28x = 31,017,344,562.86
  5. Step 5: Solve for x
    x = 31,017,344,562.86/201,944.28
  6. Step 6: Final answer
    x = 153,593.58

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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.