Home / 197,800.08-272,991.96-112,922.16

Finding the Fourth Proportional to 197,800.08, 272,991.96 and 112,922.16

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Solution

The fourth proportional to 197,800.08, 272,991.96 and 112,922.16 is: 155,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,800.08 : 272,991.96 = 112,922.16 : x
  2. Step 2: Convert to fraction form
    197,800.08/272,991.96 = 112,922.16/x
  3. Step 3: Cross multiply
    197,800.08x = 272,991.96 × 112,922.16
  4. Step 4: Simplify right side
    197,800.08x = 30,826,841,785.83
  5. Step 5: Solve for x
    x = 30,826,841,785.83/197,800.08
  6. Step 6: Final answer
    x = 155,848.48

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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.