Home / 186,864.78-257,869.80-101,982.46

Finding the Fourth Proportional to 186,864.78, 257,869.80 and 101,982.46

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Solution

The fourth proportional to 186,864.78, 257,869.80 and 101,982.46 is: 140,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,864.78 : 257,869.80 = 101,982.46 : x
  2. Step 2: Convert to fraction form
    186,864.78/257,869.80 = 101,982.46/x
  3. Step 3: Cross multiply
    186,864.78x = 257,869.80 × 101,982.46
  4. Step 4: Simplify right side
    186,864.78x = 26,298,196,563.71
  5. Step 5: Solve for x
    x = 26,298,196,563.71/186,864.78
  6. Step 6: Final answer
    x = 140,733.83

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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.