Home / 204,935.40-307,377.18-64,708.20

Finding the Fourth Proportional to 204,935.40, 307,377.18 and 64,708.20

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Solution

The fourth proportional to 204,935.40, 307,377.18 and 64,708.20 is: 97,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,935.40 : 307,377.18 = 64,708.20 : x
  2. Step 2: Convert to fraction form
    204,935.40/307,377.18 = 64,708.20/x
  3. Step 3: Cross multiply
    204,935.40x = 307,377.18 × 64,708.20
  4. Step 4: Simplify right side
    204,935.40x = 19,889,824,038.88
  5. Step 5: Solve for x
    x = 19,889,824,038.88/204,935.40
  6. Step 6: Final answer
    x = 97,054.12

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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.