Home / 329,865.48-455,214.42-186,622.56

Finding the Fourth Proportional to 329,865.48, 455,214.42 and 186,622.56

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Solution

The fourth proportional to 329,865.48, 455,214.42 and 186,622.56 is: 257,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,865.48 : 455,214.42 = 186,622.56 : x
  2. Step 2: Convert to fraction form
    329,865.48/455,214.42 = 186,622.56/x
  3. Step 3: Cross multiply
    329,865.48x = 455,214.42 × 186,622.56
  4. Step 4: Simplify right side
    329,865.48x = 84,953,280,409.32
  5. Step 5: Solve for x
    x = 84,953,280,409.32/329,865.48
  6. Step 6: Final answer
    x = 257,539.17

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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.