Home / 116,427.19-174,378.21-81,522.67

Finding the Fourth Proportional to 116,427.19, 174,378.21 and 81,522.67

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Solution

The fourth proportional to 116,427.19, 174,378.21 and 81,522.67 is: 122,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,427.19 : 174,378.21 = 81,522.67 : x
  2. Step 2: Convert to fraction form
    116,427.19/174,378.21 = 81,522.67/x
  3. Step 3: Cross multiply
    116,427.19x = 174,378.21 × 81,522.67
  4. Step 4: Simplify right side
    116,427.19x = 14,215,777,269.02
  5. Step 5: Solve for x
    x = 14,215,777,269.02/116,427.19
  6. Step 6: Final answer
    x = 122,100.15

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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.