Home / 204,345.94-306,518.55-64,104.34

Finding the Fourth Proportional to 204,345.94, 306,518.55 and 64,104.34

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Solution

The fourth proportional to 204,345.94, 306,518.55 and 64,104.34 is: 96,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,345.94 : 306,518.55 = 64,104.34 : x
  2. Step 2: Convert to fraction form
    204,345.94/306,518.55 = 64,104.34/x
  3. Step 3: Cross multiply
    204,345.94x = 306,518.55 × 64,104.34
  4. Step 4: Simplify right side
    204,345.94x = 19,649,169,345.51
  5. Step 5: Solve for x
    x = 19,649,169,345.51/204,345.94
  6. Step 6: Final answer
    x = 96,156.40

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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.