Home / 183,965.68-253,865.16-112,465.36

Finding the Fourth Proportional to 183,965.68, 253,865.16 and 112,465.36

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Solution

The fourth proportional to 183,965.68, 253,865.16 and 112,465.36 is: 155,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,965.68 : 253,865.16 = 112,465.36 : x
  2. Step 2: Convert to fraction form
    183,965.68/253,865.16 = 112,465.36/x
  3. Step 3: Cross multiply
    183,965.68x = 253,865.16 × 112,465.36
  4. Step 4: Simplify right side
    183,965.68x = 28,551,036,610.86
  5. Step 5: Solve for x
    x = 28,551,036,610.86/183,965.68
  6. Step 6: Final answer
    x = 155,197.62

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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.