Home / 186,908.31-257,894.75-110,388.60

Finding the Fourth Proportional to 186,908.31, 257,894.75 and 110,388.60

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Solution

The fourth proportional to 186,908.31, 257,894.75 and 110,388.60 is: 152,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,908.31 : 257,894.75 = 110,388.60 : x
  2. Step 2: Convert to fraction form
    186,908.31/257,894.75 = 110,388.60/x
  3. Step 3: Cross multiply
    186,908.31x = 257,894.75 × 110,388.60
  4. Step 4: Simplify right side
    186,908.31x = 28,468,639,847.91
  5. Step 5: Solve for x
    x = 28,468,639,847.91/186,908.31
  6. Step 6: Final answer
    x = 152,313.40

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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.