Home / 219,964.11-303,688.04-151,172.07

Finding the Fourth Proportional to 219,964.11, 303,688.04 and 151,172.07

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Solution

The fourth proportional to 219,964.11, 303,688.04 and 151,172.07 is: 208,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,964.11 : 303,688.04 = 151,172.07 : x
  2. Step 2: Convert to fraction form
    219,964.11/303,688.04 = 151,172.07/x
  3. Step 3: Cross multiply
    219,964.11x = 303,688.04 × 151,172.07
  4. Step 4: Simplify right side
    219,964.11x = 45,909,149,641.04
  5. Step 5: Solve for x
    x = 45,909,149,641.04/219,964.11
  6. Step 6: Final answer
    x = 208,712.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.