Home / 183,771.68-253,632.35-112,193.20

Finding the Fourth Proportional to 183,771.68, 253,632.35 and 112,193.20

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Solution

The fourth proportional to 183,771.68, 253,632.35 and 112,193.20 is: 154,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,771.68 : 253,632.35 = 112,193.20 : x
  2. Step 2: Convert to fraction form
    183,771.68/253,632.35 = 112,193.20/x
  3. Step 3: Cross multiply
    183,771.68x = 253,632.35 × 112,193.20
  4. Step 4: Simplify right side
    183,771.68x = 28,455,823,140.89
  5. Step 5: Solve for x
    x = 28,455,823,140.89/183,771.68
  6. Step 6: Final answer
    x = 154,843.35

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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.