Home / 183,645.39-253,441.89-103,078.14

Finding the Fourth Proportional to 183,645.39, 253,441.89 and 103,078.14

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Solution

The fourth proportional to 183,645.39, 253,441.89 and 103,078.14 is: 142,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,645.39 : 253,441.89 = 103,078.14 : x
  2. Step 2: Convert to fraction form
    183,645.39/253,441.89 = 103,078.14/x
  3. Step 3: Cross multiply
    183,645.39x = 253,441.89 × 103,078.14
  4. Step 4: Simplify right side
    183,645.39x = 26,124,318,619.28
  5. Step 5: Solve for x
    x = 26,124,318,619.28/183,645.39
  6. Step 6: Final answer
    x = 142,254.15

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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.