Home / 92,907.15-139,196.70-76,176.60

Finding the Fourth Proportional to 92,907.15, 139,196.70 and 76,176.60

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Solution

The fourth proportional to 92,907.15, 139,196.70 and 76,176.60 is: 114,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.15 : 139,196.70 = 76,176.60 : x
  2. Step 2: Convert to fraction form
    92,907.15/139,196.70 = 76,176.60/x
  3. Step 3: Cross multiply
    92,907.15x = 139,196.70 × 76,176.60
  4. Step 4: Simplify right side
    92,907.15x = 10,603,531,337.22
  5. Step 5: Solve for x
    x = 10,603,531,337.22/92,907.15
  6. Step 6: Final answer
    x = 114,130.41

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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.