Home / 186,764.83-257,734.91-101,881.28

Finding the Fourth Proportional to 186,764.83, 257,734.91 and 101,881.28

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Solution

The fourth proportional to 186,764.83, 257,734.91 and 101,881.28 is: 140,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,764.83 : 257,734.91 = 101,881.28 : x
  2. Step 2: Convert to fraction form
    186,764.83/257,734.91 = 101,881.28/x
  3. Step 3: Cross multiply
    186,764.83x = 257,734.91 × 101,881.28
  4. Step 4: Simplify right side
    186,764.83x = 26,258,362,531.48
  5. Step 5: Solve for x
    x = 26,258,362,531.48/186,764.83
  6. Step 6: Final answer
    x = 140,595.86

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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.