Home / 386,127.16-532,828.61-214,043.47

Finding the Fourth Proportional to 386,127.16, 532,828.61 and 214,043.47

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Solution

The fourth proportional to 386,127.16, 532,828.61 and 214,043.47 is: 295,365.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,127.16 : 532,828.61 = 214,043.47 : x
  2. Step 2: Convert to fraction form
    386,127.16/532,828.61 = 214,043.47/x
  3. Step 3: Cross multiply
    386,127.16x = 532,828.61 × 214,043.47
  4. Step 4: Simplify right side
    386,127.16x = 114,048,483,529.46
  5. Step 5: Solve for x
    x = 114,048,483,529.46/386,127.16
  6. Step 6: Final answer
    x = 295,365.09

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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.