Home / 197,555.28-272,626.74-111,532.92

Finding the Fourth Proportional to 197,555.28, 272,626.74 and 111,532.92

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Solution

The fourth proportional to 197,555.28, 272,626.74 and 111,532.92 is: 153,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,555.28 : 272,626.74 = 111,532.92 : x
  2. Step 2: Convert to fraction form
    197,555.28/272,626.74 = 111,532.92/x
  3. Step 3: Cross multiply
    197,555.28x = 272,626.74 × 111,532.92
  4. Step 4: Simplify right side
    197,555.28x = 30,406,856,382.28
  5. Step 5: Solve for x
    x = 30,406,856,382.28/197,555.28
  6. Step 6: Final answer
    x = 153,915.69

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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.