Home / 197,443.07-272,471.45-106,798.98

Finding the Fourth Proportional to 197,443.07, 272,471.45 and 106,798.98

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Solution

The fourth proportional to 197,443.07, 272,471.45 and 106,798.98 is: 147,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,443.07 : 272,471.45 = 106,798.98 : x
  2. Step 2: Convert to fraction form
    197,443.07/272,471.45 = 106,798.98/x
  3. Step 3: Cross multiply
    197,443.07x = 272,471.45 × 106,798.98
  4. Step 4: Simplify right side
    197,443.07x = 29,099,672,939.12
  5. Step 5: Solve for x
    x = 29,099,672,939.12/197,443.07
  6. Step 6: Final answer
    x = 147,382.60

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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.