Home / 197,280.92-272,249.66-106,638.64

Finding the Fourth Proportional to 197,280.92, 272,249.66 and 106,638.64

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Solution

The fourth proportional to 197,280.92, 272,249.66 and 106,638.64 is: 147,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,280.92 : 272,249.66 = 106,638.64 : x
  2. Step 2: Convert to fraction form
    197,280.92/272,249.66 = 106,638.64/x
  3. Step 3: Cross multiply
    197,280.92x = 272,249.66 × 106,638.64
  4. Step 4: Simplify right side
    197,280.92x = 29,032,333,482.86
  5. Step 5: Solve for x
    x = 29,032,333,482.86/197,280.92
  6. Step 6: Final answer
    x = 147,162.40

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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.