Home / 142,896.88-197,355.76-111,017.44

Finding the Fourth Proportional to 142,896.88, 197,355.76 and 111,017.44

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Solution

The fourth proportional to 142,896.88, 197,355.76 and 111,017.44 is: 153,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,896.88 : 197,355.76 = 111,017.44 : x
  2. Step 2: Convert to fraction form
    142,896.88/197,355.76 = 111,017.44/x
  3. Step 3: Cross multiply
    142,896.88x = 197,355.76 × 111,017.44
  4. Step 4: Simplify right side
    142,896.88x = 21,909,931,244.45
  5. Step 5: Solve for x
    x = 21,909,931,244.45/142,896.88
  6. Step 6: Final answer
    x = 153,326.87

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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.