Home / 186,569.43-257,465.90-105,997.09

Finding the Fourth Proportional to 186,569.43, 257,465.90 and 105,997.09

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Solution

The fourth proportional to 186,569.43, 257,465.90 and 105,997.09 is: 146,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,569.43 : 257,465.90 = 105,997.09 : x
  2. Step 2: Convert to fraction form
    186,569.43/257,465.90 = 105,997.09/x
  3. Step 3: Cross multiply
    186,569.43x = 257,465.90 × 105,997.09
  4. Step 4: Simplify right side
    186,569.43x = 27,290,634,356.92
  5. Step 5: Solve for x
    x = 27,290,634,356.92/186,569.43
  6. Step 6: Final answer
    x = 146,276.02

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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.