Home / 234,947.42-324,230.55-127,518.74

Finding the Fourth Proportional to 234,947.42, 324,230.55 and 127,518.74

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Solution

The fourth proportional to 234,947.42, 324,230.55 and 127,518.74 is: 175,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,947.42 : 324,230.55 = 127,518.74 : x
  2. Step 2: Convert to fraction form
    234,947.42/324,230.55 = 127,518.74/x
  3. Step 3: Cross multiply
    234,947.42x = 324,230.55 × 127,518.74
  4. Step 4: Simplify right side
    234,947.42x = 41,345,471,205.51
  5. Step 5: Solve for x
    x = 41,345,471,205.51/234,947.42
  6. Step 6: Final answer
    x = 175,977.55

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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.