Home / 331,386.52-457,297.14-188,127.76

Finding the Fourth Proportional to 331,386.52, 457,297.14 and 188,127.76

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Solution

The fourth proportional to 331,386.52, 457,297.14 and 188,127.76 is: 259,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,386.52 : 457,297.14 = 188,127.76 : x
  2. Step 2: Convert to fraction form
    331,386.52/457,297.14 = 188,127.76/x
  3. Step 3: Cross multiply
    331,386.52x = 457,297.14 × 188,127.76
  4. Step 4: Simplify right side
    331,386.52x = 86,030,286,602.61
  5. Step 5: Solve for x
    x = 86,030,286,602.61/331,386.52
  6. Step 6: Final answer
    x = 259,607.08

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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.