Home / 140,602.23-194,030.24-76,071.25

Finding the Fourth Proportional to 140,602.23, 194,030.24 and 76,071.25

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Solution

The fourth proportional to 140,602.23, 194,030.24 and 76,071.25 is: 104,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,602.23 : 194,030.24 = 76,071.25 : x
  2. Step 2: Convert to fraction form
    140,602.23/194,030.24 = 76,071.25/x
  3. Step 3: Cross multiply
    140,602.23x = 194,030.24 × 76,071.25
  4. Step 4: Simplify right side
    140,602.23x = 14,760,122,756.78
  5. Step 5: Solve for x
    x = 14,760,122,756.78/140,602.23
  6. Step 6: Final answer
    x = 104,977.87

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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.