Home / 147,040.76-220,543.59-40,435.54

Finding the Fourth Proportional to 147,040.76, 220,543.59 and 40,435.54

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Solution

The fourth proportional to 147,040.76, 220,543.59 and 40,435.54 is: 60,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,040.76 : 220,543.59 = 40,435.54 : x
  2. Step 2: Convert to fraction form
    147,040.76/220,543.59 = 40,435.54/x
  3. Step 3: Cross multiply
    147,040.76x = 220,543.59 × 40,435.54
  4. Step 4: Simplify right side
    147,040.76x = 8,917,798,603.83
  5. Step 5: Solve for x
    x = 8,917,798,603.83/147,040.76
  6. Step 6: Final answer
    x = 60,648.48

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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.