Home / 245,177.87-338,327.01-137,726.91

Finding the Fourth Proportional to 245,177.87, 338,327.01 and 137,726.91

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Solution

The fourth proportional to 245,177.87, 338,327.01 and 137,726.91 is: 190,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,177.87 : 338,327.01 = 137,726.91 : x
  2. Step 2: Convert to fraction form
    245,177.87/338,327.01 = 137,726.91/x
  3. Step 3: Cross multiply
    245,177.87x = 338,327.01 × 137,726.91
  4. Step 4: Simplify right side
    245,177.87x = 46,596,733,656.84
  5. Step 5: Solve for x
    x = 46,596,733,656.84/245,177.87
  6. Step 6: Final answer
    x = 190,052.78

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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.