Home / 195,100.31-292,516.01-76,785.23

Finding the Fourth Proportional to 195,100.31, 292,516.01 and 76,785.23

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Solution

The fourth proportional to 195,100.31, 292,516.01 and 76,785.23 is: 115,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,100.31 : 292,516.01 = 76,785.23 : x
  2. Step 2: Convert to fraction form
    195,100.31/292,516.01 = 76,785.23/x
  3. Step 3: Cross multiply
    195,100.31x = 292,516.01 × 76,785.23
  4. Step 4: Simplify right side
    195,100.31x = 22,460,909,741.84
  5. Step 5: Solve for x
    x = 22,460,909,741.84/195,100.31
  6. Step 6: Final answer
    x = 115,124.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.