Home / 273,932.25-378,019.47-153,074.53

Finding the Fourth Proportional to 273,932.25, 378,019.47 and 153,074.53

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Solution

The fourth proportional to 273,932.25, 378,019.47 and 153,074.53 is: 211,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,932.25 : 378,019.47 = 153,074.53 : x
  2. Step 2: Convert to fraction form
    273,932.25/378,019.47 = 153,074.53/x
  3. Step 3: Cross multiply
    273,932.25x = 378,019.47 × 153,074.53
  4. Step 4: Simplify right side
    273,932.25x = 57,865,152,701.10
  5. Step 5: Solve for x
    x = 57,865,152,701.10/273,932.25
  6. Step 6: Final answer
    x = 211,238.92

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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.