Home / 121,401.36-182,099.84-46,501.20

Finding the Fourth Proportional to 121,401.36, 182,099.84 and 46,501.20

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Solution

The fourth proportional to 121,401.36, 182,099.84 and 46,501.20 is: 69,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,401.36 : 182,099.84 = 46,501.20 : x
  2. Step 2: Convert to fraction form
    121,401.36/182,099.84 = 46,501.20/x
  3. Step 3: Cross multiply
    121,401.36x = 182,099.84 × 46,501.20
  4. Step 4: Simplify right side
    121,401.36x = 8,467,861,079.81
  5. Step 5: Solve for x
    x = 8,467,861,079.81/121,401.36
  6. Step 6: Final answer
    x = 69,750.96

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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.