Home / 386,036.47-532,762.68-213,996.52

Finding the Fourth Proportional to 386,036.47, 532,762.68 and 213,996.52

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Solution

The fourth proportional to 386,036.47, 532,762.68 and 213,996.52 is: 295,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,036.47 : 532,762.68 = 213,996.52 : x
  2. Step 2: Convert to fraction form
    386,036.47/532,762.68 = 213,996.52/x
  3. Step 3: Cross multiply
    386,036.47x = 532,762.68 × 213,996.52
  4. Step 4: Simplify right side
    386,036.47x = 114,009,359,505.87
  5. Step 5: Solve for x
    x = 114,009,359,505.87/386,036.47
  6. Step 6: Final answer
    x = 295,333.13

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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.