Home / 186,939.51-257,981.94-102,062.04

Finding the Fourth Proportional to 186,939.51, 257,981.94 and 102,062.04

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Solution

The fourth proportional to 186,939.51, 257,981.94 and 102,062.04 is: 140,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939.51 : 257,981.94 = 102,062.04 : x
  2. Step 2: Convert to fraction form
    186,939.51/257,981.94 = 102,062.04/x
  3. Step 3: Cross multiply
    186,939.51x = 257,981.94 × 102,062.04
  4. Step 4: Simplify right side
    186,939.51x = 26,330,163,079.56
  5. Step 5: Solve for x
    x = 26,330,163,079.56/186,939.51
  6. Step 6: Final answer
    x = 140,848.57

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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.