Home / 451,541.22-677,052.63-135,904.74

Finding the Fourth Proportional to 451,541.22, 677,052.63 and 135,904.74

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Solution

The fourth proportional to 451,541.22, 677,052.63 and 135,904.74 is: 203,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,541.22 : 677,052.63 = 135,904.74 : x
  2. Step 2: Convert to fraction form
    451,541.22/677,052.63 = 135,904.74/x
  3. Step 3: Cross multiply
    451,541.22x = 677,052.63 × 135,904.74
  4. Step 4: Simplify right side
    451,541.22x = 92,014,661,646.47
  5. Step 5: Solve for x
    x = 92,014,661,646.47/451,541.22
  6. Step 6: Final answer
    x = 203,779.10

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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.