Home / 186,600.45-257,508.63-101,717.52

Finding the Fourth Proportional to 186,600.45, 257,508.63 and 101,717.52

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Solution

The fourth proportional to 186,600.45, 257,508.63 and 101,717.52 is: 140,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,600.45 : 257,508.63 = 101,717.52 : x
  2. Step 2: Convert to fraction form
    186,600.45/257,508.63 = 101,717.52/x
  3. Step 3: Cross multiply
    186,600.45x = 257,508.63 × 101,717.52
  4. Step 4: Simplify right side
    186,600.45x = 26,193,139,222.20
  5. Step 5: Solve for x
    x = 26,193,139,222.20/186,600.45
  6. Step 6: Final answer
    x = 140,370.18

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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.