Home / 186,506.15-257,378.31-101,623.82

Finding the Fourth Proportional to 186,506.15, 257,378.31 and 101,623.82

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Solution

The fourth proportional to 186,506.15, 257,378.31 and 101,623.82 is: 140,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,506.15 : 257,378.31 = 101,623.82 : x
  2. Step 2: Convert to fraction form
    186,506.15/257,378.31 = 101,623.82/x
  3. Step 3: Cross multiply
    186,506.15x = 257,378.31 × 101,623.82
  4. Step 4: Simplify right side
    186,506.15x = 26,155,765,760.45
  5. Step 5: Solve for x
    x = 26,155,765,760.45/186,506.15
  6. Step 6: Final answer
    x = 140,240.77

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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.