Home / 186,287.45-257,110.24-109,802.08

Finding the Fourth Proportional to 186,287.45, 257,110.24 and 109,802.08

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Solution

The fourth proportional to 186,287.45, 257,110.24 and 109,802.08 is: 151,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,287.45 : 257,110.24 = 109,802.08 : x
  2. Step 2: Convert to fraction form
    186,287.45/257,110.24 = 109,802.08/x
  3. Step 3: Cross multiply
    186,287.45x = 257,110.24 × 109,802.08
  4. Step 4: Simplify right side
    186,287.45x = 28,231,239,141.30
  5. Step 5: Solve for x
    x = 28,231,239,141.30/186,287.45
  6. Step 6: Final answer
    x = 151,546.65

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1.5x scale

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.