Home / 186,917.83-257,943.28-106,343.62

Finding the Fourth Proportional to 186,917.83, 257,943.28 and 106,343.62

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Solution

The fourth proportional to 186,917.83, 257,943.28 and 106,343.62 is: 146,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,917.83 : 257,943.28 = 106,343.62 : x
  2. Step 2: Convert to fraction form
    186,917.83/257,943.28 = 106,343.62/x
  3. Step 3: Cross multiply
    186,917.83x = 257,943.28 × 106,343.62
  4. Step 4: Simplify right side
    186,917.83x = 27,430,622,149.87
  5. Step 5: Solve for x
    x = 27,430,622,149.87/186,917.83
  6. Step 6: Final answer
    x = 146,752.30

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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.