Home / 186,763.56-257,719.32-106,192.08

Finding the Fourth Proportional to 186,763.56, 257,719.32 and 106,192.08

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Solution

The fourth proportional to 186,763.56, 257,719.32 and 106,192.08 is: 146,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,763.56 : 257,719.32 = 106,192.08 : x
  2. Step 2: Convert to fraction form
    186,763.56/257,719.32 = 106,192.08/x
  3. Step 3: Cross multiply
    186,763.56x = 257,719.32 × 106,192.08
  4. Step 4: Simplify right side
    186,763.56x = 27,367,750,646.99
  5. Step 5: Solve for x
    x = 27,367,750,646.99/186,763.56
  6. Step 6: Final answer
    x = 146,536.89

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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.