Home / 197,228.52-272,155.28-116,640.30

Finding the Fourth Proportional to 197,228.52, 272,155.28 and 116,640.30

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Solution

The fourth proportional to 197,228.52, 272,155.28 and 116,640.30 is: 160,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,228.52 : 272,155.28 = 116,640.30 : x
  2. Step 2: Convert to fraction form
    197,228.52/272,155.28 = 116,640.30/x
  3. Step 3: Cross multiply
    197,228.52x = 272,155.28 × 116,640.30
  4. Step 4: Simplify right side
    197,228.52x = 31,744,273,943.16
  5. Step 5: Solve for x
    x = 31,744,273,943.16/197,228.52
  6. Step 6: Final answer
    x = 160,951.74

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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.