Home / 183,423.20-253,118.75-111,777.08

Finding the Fourth Proportional to 183,423.20, 253,118.75 and 111,777.08

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Solution

The fourth proportional to 183,423.20, 253,118.75 and 111,777.08 is: 154,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,423.20 : 253,118.75 = 111,777.08 : x
  2. Step 2: Convert to fraction form
    183,423.20/253,118.75 = 111,777.08/x
  3. Step 3: Cross multiply
    183,423.20x = 253,118.75 × 111,777.08
  4. Step 4: Simplify right side
    183,423.20x = 28,292,874,768.25
  5. Step 5: Solve for x
    x = 28,292,874,768.25/183,423.20
  6. Step 6: Final answer
    x = 154,249.16

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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.