Home / 186,603.75-257,513.24-106,031.36

Finding the Fourth Proportional to 186,603.75, 257,513.24 and 106,031.36

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Solution

The fourth proportional to 186,603.75, 257,513.24 and 106,031.36 is: 146,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,603.75 : 257,513.24 = 106,031.36 : x
  2. Step 2: Convert to fraction form
    186,603.75/257,513.24 = 106,031.36/x
  3. Step 3: Cross multiply
    186,603.75x = 257,513.24 × 106,031.36
  4. Step 4: Simplify right side
    186,603.75x = 27,304,479,964.07
  5. Step 5: Solve for x
    x = 27,304,479,964.07/186,603.75
  6. Step 6: Final answer
    x = 146,323.32

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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.