Home / 302,740.50-417,781.89-168,604.50

Finding the Fourth Proportional to 302,740.50, 417,781.89 and 168,604.50

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Solution

The fourth proportional to 302,740.50, 417,781.89 and 168,604.50 is: 232,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,740.50 : 417,781.89 = 168,604.50 : x
  2. Step 2: Convert to fraction form
    302,740.50/417,781.89 = 168,604.50/x
  3. Step 3: Cross multiply
    302,740.50x = 417,781.89 × 168,604.50
  4. Step 4: Simplify right side
    302,740.50x = 70,439,906,672.51
  5. Step 5: Solve for x
    x = 70,439,906,672.51/302,740.50
  6. Step 6: Final answer
    x = 232,674.21

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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.