Home / 186,784.43-257,761.65-101,901.49

Finding the Fourth Proportional to 186,784.43, 257,761.65 and 101,901.49

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Solution

The fourth proportional to 186,784.43, 257,761.65 and 101,901.49 is: 140,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,784.43 : 257,761.65 = 101,901.49 : x
  2. Step 2: Convert to fraction form
    186,784.43/257,761.65 = 101,901.49/x
  3. Step 3: Cross multiply
    186,784.43x = 257,761.65 × 101,901.49
  4. Step 4: Simplify right side
    186,784.43x = 26,266,294,911.05
  5. Step 5: Solve for x
    x = 26,266,294,911.05/186,784.43
  6. Step 6: Final answer
    x = 140,623.58

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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.