Home / 186,743.86-257,710.13-101,864.02

Finding the Fourth Proportional to 186,743.86, 257,710.13 and 101,864.02

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Solution

The fourth proportional to 186,743.86, 257,710.13 and 101,864.02 is: 140,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,743.86 : 257,710.13 = 101,864.02 : x
  2. Step 2: Convert to fraction form
    186,743.86/257,710.13 = 101,864.02/x
  3. Step 3: Cross multiply
    186,743.86x = 257,710.13 × 101,864.02
  4. Step 4: Simplify right side
    186,743.86x = 26,251,389,836.52
  5. Step 5: Solve for x
    x = 26,251,389,836.52/186,743.86
  6. Step 6: Final answer
    x = 140,574.31

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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.