Home / 186,886.11-257,886.20-104,093.76

Finding the Fourth Proportional to 186,886.11, 257,886.20 and 104,093.76

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Solution

The fourth proportional to 186,886.11, 257,886.20 and 104,093.76 is: 143,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,886.11 : 257,886.20 = 104,093.76 : x
  2. Step 2: Convert to fraction form
    186,886.11/257,886.20 = 104,093.76/x
  3. Step 3: Cross multiply
    186,886.11x = 257,886.20 × 104,093.76
  4. Step 4: Simplify right side
    186,886.11x = 26,844,343,407.50
  5. Step 5: Solve for x
    x = 26,844,343,407.50/186,886.11
  6. Step 6: Final answer
    x = 143,640.12

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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.