Home / 183,933.69-253,833.55-103,368.56

Finding the Fourth Proportional to 183,933.69, 253,833.55 and 103,368.56

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Solution

The fourth proportional to 183,933.69, 253,833.55 and 103,368.56 is: 142,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,933.69 : 253,833.55 = 103,368.56 : x
  2. Step 2: Convert to fraction form
    183,933.69/253,833.55 = 103,368.56/x
  3. Step 3: Cross multiply
    183,933.69x = 253,833.55 × 103,368.56
  4. Step 4: Simplify right side
    183,933.69x = 26,238,407,015.60
  5. Step 5: Solve for x
    x = 26,238,407,015.60/183,933.69
  6. Step 6: Final answer
    x = 142,651.45

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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.