Home / 252,273.18-348,139.71-137,550.89

Finding the Fourth Proportional to 252,273.18, 348,139.71 and 137,550.89

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Solution

The fourth proportional to 252,273.18, 348,139.71 and 137,550.89 is: 189,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,273.18 : 348,139.71 = 137,550.89 : x
  2. Step 2: Convert to fraction form
    252,273.18/348,139.71 = 137,550.89/x
  3. Step 3: Cross multiply
    252,273.18x = 348,139.71 × 137,550.89
  4. Step 4: Simplify right side
    252,273.18x = 47,886,925,214.14
  5. Step 5: Solve for x
    x = 47,886,925,214.14/252,273.18
  6. Step 6: Final answer
    x = 189,821.71

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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.