Home / 186,586.03-257,488.79-106,013.66

Finding the Fourth Proportional to 186,586.03, 257,488.79 and 106,013.66

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Solution

The fourth proportional to 186,586.03, 257,488.79 and 106,013.66 is: 146,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,586.03 : 257,488.79 = 106,013.66 : x
  2. Step 2: Convert to fraction form
    186,586.03/257,488.79 = 106,013.66/x
  3. Step 3: Cross multiply
    186,586.03x = 257,488.79 × 106,013.66
  4. Step 4: Simplify right side
    186,586.03x = 27,297,329,036.87
  5. Step 5: Solve for x
    x = 27,297,329,036.87/186,586.03
  6. Step 6: Final answer
    x = 146,298.89

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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.