Home / 197,399.32-272,437.02-112,496.92

Finding the Fourth Proportional to 197,399.32, 272,437.02 and 112,496.92

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Solution

The fourth proportional to 197,399.32, 272,437.02 and 112,496.92 is: 155,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,399.32 : 272,437.02 = 112,496.92 : x
  2. Step 2: Convert to fraction form
    197,399.32/272,437.02 = 112,496.92/x
  3. Step 3: Cross multiply
    197,399.32x = 272,437.02 × 112,496.92
  4. Step 4: Simplify right side
    197,399.32x = 30,648,325,643.98
  5. Step 5: Solve for x
    x = 30,648,325,643.98/197,399.32
  6. Step 6: Final answer
    x = 155,260.54

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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.