Home / 252,107.19-347,903.46-137,386.86

Finding the Fourth Proportional to 252,107.19, 347,903.46 and 137,386.86

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Solution

The fourth proportional to 252,107.19, 347,903.46 and 137,386.86 is: 189,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,107.19 : 347,903.46 = 137,386.86 : x
  2. Step 2: Convert to fraction form
    252,107.19/347,903.46 = 137,386.86/x
  3. Step 3: Cross multiply
    252,107.19x = 347,903.46 × 137,386.86
  4. Step 4: Simplify right side
    252,107.19x = 47,797,363,952.54
  5. Step 5: Solve for x
    x = 47,797,363,952.54/252,107.19
  6. Step 6: Final answer
    x = 189,591.44

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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.