Home / 127,772.45-176,327.14-70,413.83

Finding the Fourth Proportional to 127,772.45, 176,327.14 and 70,413.83

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Solution

The fourth proportional to 127,772.45, 176,327.14 and 70,413.83 is: 97,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,772.45 : 176,327.14 = 70,413.83 : x
  2. Step 2: Convert to fraction form
    127,772.45/176,327.14 = 70,413.83/x
  3. Step 3: Cross multiply
    127,772.45x = 176,327.14 × 70,413.83
  4. Step 4: Simplify right side
    127,772.45x = 12,415,869,259.98
  5. Step 5: Solve for x
    x = 12,415,869,259.98/127,772.45
  6. Step 6: Final answer
    x = 97,171.72

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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.