Home / 186,306.10-257,101.66-104,623

Finding the Fourth Proportional to 186,306.10, 257,101.66 and 104,623

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Solution

The fourth proportional to 186,306.10, 257,101.66 and 104,623 is: 144,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,306.10 : 257,101.66 = 104,623 : x
  2. Step 2: Convert to fraction form
    186,306.10/257,101.66 = 104,623/x
  3. Step 3: Cross multiply
    186,306.10x = 257,101.66 × 104,623
  4. Step 4: Simplify right side
    186,306.10x = 26,898,746,974.18
  5. Step 5: Solve for x
    x = 26,898,746,974.18/186,306.10
  6. Step 6: Final answer
    x = 144,379.31

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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.