Home / 194,686.16-292,031.56-76,413.20

Finding the Fourth Proportional to 194,686.16, 292,031.56 and 76,413.20

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Solution

The fourth proportional to 194,686.16, 292,031.56 and 76,413.20 is: 114,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,686.16 : 292,031.56 = 76,413.20 : x
  2. Step 2: Convert to fraction form
    194,686.16/292,031.56 = 76,413.20/x
  3. Step 3: Cross multiply
    194,686.16x = 292,031.56 × 76,413.20
  4. Step 4: Simplify right side
    194,686.16x = 22,315,066,000.59
  5. Step 5: Solve for x
    x = 22,315,066,000.59/194,686.16
  6. Step 6: Final answer
    x = 114,620.71

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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.