Home / 197,123.60-272,030.67-106,479.56

Finding the Fourth Proportional to 197,123.60, 272,030.67 and 106,479.56

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Solution

The fourth proportional to 197,123.60, 272,030.67 and 106,479.56 is: 146,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,123.60 : 272,030.67 = 106,479.56 : x
  2. Step 2: Convert to fraction form
    197,123.60/272,030.67 = 106,479.56/x
  3. Step 3: Cross multiply
    197,123.60x = 272,030.67 × 106,479.56
  4. Step 4: Simplify right side
    197,123.60x = 28,965,706,048.11
  5. Step 5: Solve for x
    x = 28,965,706,048.11/197,123.60
  6. Step 6: Final answer
    x = 146,941.85

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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.