Home / 208,193.95-312,099.57-75,041.62

Finding the Fourth Proportional to 208,193.95, 312,099.57 and 75,041.62

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Solution

The fourth proportional to 208,193.95, 312,099.57 and 75,041.62 is: 112,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,193.95 : 312,099.57 = 75,041.62 : x
  2. Step 2: Convert to fraction form
    208,193.95/312,099.57 = 75,041.62/x
  3. Step 3: Cross multiply
    208,193.95x = 312,099.57 × 75,041.62
  4. Step 4: Simplify right side
    208,193.95x = 23,420,457,334.10
  5. Step 5: Solve for x
    x = 23,420,457,334.10/208,193.95
  6. Step 6: Final answer
    x = 112,493.46

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1.5x scale

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.