Home / 135,768.32-203,681.92-56,841.92

Finding the Fourth Proportional to 135,768.32, 203,681.92 and 56,841.92

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Solution

The fourth proportional to 135,768.32, 203,681.92 and 56,841.92 is: 85,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,768.32 : 203,681.92 = 56,841.92 : x
  2. Step 2: Convert to fraction form
    135,768.32/203,681.92 = 56,841.92/x
  3. Step 3: Cross multiply
    135,768.32x = 203,681.92 × 56,841.92
  4. Step 4: Simplify right side
    135,768.32x = 11,577,671,402.09
  5. Step 5: Solve for x
    x = 11,577,671,402.09/135,768.32
  6. Step 6: Final answer
    x = 85,275.21

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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.