Home / 305,322.22-457,984.52-127,704.64

Finding the Fourth Proportional to 305,322.22, 457,984.52 and 127,704.64

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Solution

The fourth proportional to 305,322.22, 457,984.52 and 127,704.64 is: 191,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,322.22 : 457,984.52 = 127,704.64 : x
  2. Step 2: Convert to fraction form
    305,322.22/457,984.52 = 127,704.64/x
  3. Step 3: Cross multiply
    305,322.22x = 457,984.52 × 127,704.64
  4. Step 4: Simplify right side
    305,322.22x = 58,486,748,252.17
  5. Step 5: Solve for x
    x = 58,486,748,252.17/305,322.22
  6. Step 6: Final answer
    x = 191,557.46

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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.