Home / 145,825.54-218,756.56-57,067.58

Finding the Fourth Proportional to 145,825.54, 218,756.56 and 57,067.58

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Solution

The fourth proportional to 145,825.54, 218,756.56 and 57,067.58 is: 85,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,825.54 : 218,756.56 = 57,067.58 : x
  2. Step 2: Convert to fraction form
    145,825.54/218,756.56 = 57,067.58/x
  3. Step 3: Cross multiply
    145,825.54x = 218,756.56 × 57,067.58
  4. Step 4: Simplify right side
    145,825.54x = 12,483,907,488.32
  5. Step 5: Solve for x
    x = 12,483,907,488.32/145,825.54
  6. Step 6: Final answer
    x = 85,608.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.