Home / 204,905.28-307,412.64-64,666.56

Finding the Fourth Proportional to 204,905.28, 307,412.64 and 64,666.56

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Solution

The fourth proportional to 204,905.28, 307,412.64 and 64,666.56 is: 97,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,905.28 : 307,412.64 = 64,666.56 : x
  2. Step 2: Convert to fraction form
    204,905.28/307,412.64 = 64,666.56/x
  3. Step 3: Cross multiply
    204,905.28x = 307,412.64 × 64,666.56
  4. Step 4: Simplify right side
    204,905.28x = 19,879,317,929.32
  5. Step 5: Solve for x
    x = 19,879,317,929.32/204,905.28
  6. Step 6: Final answer
    x = 97,017.11

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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.