Home / 147,123.60-220,390.02-124,537.56

Finding the Fourth Proportional to 147,123.60, 220,390.02 and 124,537.56

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Solution

The fourth proportional to 147,123.60, 220,390.02 and 124,537.56 is: 186,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,123.60 : 220,390.02 = 124,537.56 : x
  2. Step 2: Convert to fraction form
    147,123.60/220,390.02 = 124,537.56/x
  3. Step 3: Cross multiply
    147,123.60x = 220,390.02 × 124,537.56
  4. Step 4: Simplify right side
    147,123.60x = 27,446,835,339.15
  5. Step 5: Solve for x
    x = 27,446,835,339.15/147,123.60
  6. Step 6: Final answer
    x = 186,556.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.