Home / 147,228.53-203,185.49-81,825.23

Finding the Fourth Proportional to 147,228.53, 203,185.49 and 81,825.23

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Solution

The fourth proportional to 147,228.53, 203,185.49 and 81,825.23 is: 112,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,228.53 : 203,185.49 = 81,825.23 : x
  2. Step 2: Convert to fraction form
    147,228.53/203,185.49 = 81,825.23/x
  3. Step 3: Cross multiply
    147,228.53x = 203,185.49 × 81,825.23
  4. Step 4: Simplify right side
    147,228.53x = 16,625,699,550.75
  5. Step 5: Solve for x
    x = 16,625,699,550.75/147,228.53
  6. Step 6: Final answer
    x = 112,924.45

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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.