Home / 116,423.19-174,372.21-81,518.67

Finding the Fourth Proportional to 116,423.19, 174,372.21 and 81,518.67

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Solution

The fourth proportional to 116,423.19, 174,372.21 and 81,518.67 is: 122,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,423.19 : 174,372.21 = 81,518.67 : x
  2. Step 2: Convert to fraction form
    116,423.19/174,372.21 = 81,518.67/x
  3. Step 3: Cross multiply
    116,423.19x = 174,372.21 × 81,518.67
  4. Step 4: Simplify right side
    116,423.19x = 14,214,590,644.16
  5. Step 5: Solve for x
    x = 14,214,590,644.16/116,423.19
  6. Step 6: Final answer
    x = 122,094.15

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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.