Home / 183,945.20-253,851.37-112,357.40

Finding the Fourth Proportional to 183,945.20, 253,851.37 and 112,357.40

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Solution

The fourth proportional to 183,945.20, 253,851.37 and 112,357.40 is: 155,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,945.20 : 253,851.37 = 112,357.40 : x
  2. Step 2: Convert to fraction form
    183,945.20/253,851.37 = 112,357.40/x
  3. Step 3: Cross multiply
    183,945.20x = 253,851.37 × 112,357.40
  4. Step 4: Simplify right side
    183,945.20x = 28,522,078,369.49
  5. Step 5: Solve for x
    x = 28,522,078,369.49/183,945.20
  6. Step 6: Final answer
    x = 155,057.48

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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.