Home / 183,813.21-253,727.40-111,219.84

Finding the Fourth Proportional to 183,813.21, 253,727.40 and 111,219.84

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Solution

The fourth proportional to 183,813.21, 253,727.40 and 111,219.84 is: 153,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,813.21 : 253,727.40 = 111,219.84 : x
  2. Step 2: Convert to fraction form
    183,813.21/253,727.40 = 111,219.84/x
  3. Step 3: Cross multiply
    183,813.21x = 253,727.40 × 111,219.84
  4. Step 4: Simplify right side
    183,813.21x = 28,219,520,831.62
  5. Step 5: Solve for x
    x = 28,219,520,831.62/183,813.21
  6. Step 6: Final answer
    x = 153,522.81

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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.