Home / 456,436.85-684,692.28-156,917.67

Finding the Fourth Proportional to 456,436.85, 684,692.28 and 156,917.67

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Solution

The fourth proportional to 456,436.85, 684,692.28 and 156,917.67 is: 235,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,436.85 : 684,692.28 = 156,917.67 : x
  2. Step 2: Convert to fraction form
    456,436.85/684,692.28 = 156,917.67/x
  3. Step 3: Cross multiply
    456,436.85x = 684,692.28 × 156,917.67
  4. Step 4: Simplify right side
    456,436.85x = 107,440,317,244.59
  5. Step 5: Solve for x
    x = 107,440,317,244.59/456,436.85
  6. Step 6: Final answer
    x = 235,389.23

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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.