Home / 235,208.18-324,615.11-139,715.25

Finding the Fourth Proportional to 235,208.18, 324,615.11 and 139,715.25

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Solution

The fourth proportional to 235,208.18, 324,615.11 and 139,715.25 is: 192,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,208.18 : 324,615.11 = 139,715.25 : x
  2. Step 2: Convert to fraction form
    235,208.18/324,615.11 = 139,715.25/x
  3. Step 3: Cross multiply
    235,208.18x = 324,615.11 × 139,715.25
  4. Step 4: Simplify right side
    235,208.18x = 45,353,680,548.85
  5. Step 5: Solve for x
    x = 45,353,680,548.85/235,208.18
  6. Step 6: Final answer
    x = 192,823.57

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1.5x scale

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.