Home / 197,123.64-272,030.73-106,479.60

Finding the Fourth Proportional to 197,123.64, 272,030.73 and 106,479.60

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Solution

The fourth proportional to 197,123.64, 272,030.73 and 106,479.60 is: 146,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,123.64 : 272,030.73 = 106,479.60 : x
  2. Step 2: Convert to fraction form
    197,123.64/272,030.73 = 106,479.60/x
  3. Step 3: Cross multiply
    197,123.64x = 272,030.73 × 106,479.60
  4. Step 4: Simplify right side
    197,123.64x = 28,965,723,318.11
  5. Step 5: Solve for x
    x = 28,965,723,318.11/197,123.64
  6. Step 6: Final answer
    x = 146,941.91

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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.