Home / 135,772.52-203,417.82-56,712.76

Finding the Fourth Proportional to 135,772.52, 203,417.82 and 56,712.76

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Solution

The fourth proportional to 135,772.52, 203,417.82 and 56,712.76 is: 84,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,772.52 : 203,417.82 = 56,712.76 : x
  2. Step 2: Convert to fraction form
    135,772.52/203,417.82 = 56,712.76/x
  3. Step 3: Cross multiply
    135,772.52x = 203,417.82 × 56,712.76
  4. Step 4: Simplify right side
    135,772.52x = 11,536,386,005.38
  5. Step 5: Solve for x
    x = 11,536,386,005.38/135,772.52
  6. Step 6: Final answer
    x = 84,968.49

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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.