Home / 204,458.04-306,749.61-104,688.81

Finding the Fourth Proportional to 204,458.04, 306,749.61 and 104,688.81

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Solution

The fourth proportional to 204,458.04, 306,749.61 and 104,688.81 is: 157,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,458.04 : 306,749.61 = 104,688.81 : x
  2. Step 2: Convert to fraction form
    204,458.04/306,749.61 = 104,688.81/x
  3. Step 3: Cross multiply
    204,458.04x = 306,749.61 × 104,688.81
  4. Step 4: Simplify right side
    204,458.04x = 32,113,251,638.86
  5. Step 5: Solve for x
    x = 32,113,251,638.86/204,458.04
  6. Step 6: Final answer
    x = 157,065.24

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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.