Home / 194,780.16-292,301.46-76,437.54

Finding the Fourth Proportional to 194,780.16, 292,301.46 and 76,437.54

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Solution

The fourth proportional to 194,780.16, 292,301.46 and 76,437.54 is: 114,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,780.16 : 292,301.46 = 76,437.54 : x
  2. Step 2: Convert to fraction form
    194,780.16/292,301.46 = 76,437.54/x
  3. Step 3: Cross multiply
    194,780.16x = 292,301.46 × 76,437.54
  4. Step 4: Simplify right side
    194,780.16x = 22,342,804,540.81
  5. Step 5: Solve for x
    x = 22,342,804,540.81/194,780.16
  6. Step 6: Final answer
    x = 114,707.80

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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.