Home / 445,525.48-668,067.12-141,880.06

Finding the Fourth Proportional to 445,525.48, 668,067.12 and 141,880.06

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Solution

The fourth proportional to 445,525.48, 668,067.12 and 141,880.06 is: 212,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,525.48 : 668,067.12 = 141,880.06 : x
  2. Step 2: Convert to fraction form
    445,525.48/668,067.12 = 141,880.06/x
  3. Step 3: Cross multiply
    445,525.48x = 668,067.12 × 141,880.06
  4. Step 4: Simplify right side
    445,525.48x = 94,785,403,069.63
  5. Step 5: Solve for x
    x = 94,785,403,069.63/445,525.48
  6. Step 6: Final answer
    x = 212,749.68

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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.