Home / 107,360.40-161,011.44-89,704.02

Finding the Fourth Proportional to 107,360.40, 161,011.44 and 89,704.02

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Solution

The fourth proportional to 107,360.40, 161,011.44 and 89,704.02 is: 134,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,360.40 : 161,011.44 = 89,704.02 : x
  2. Step 2: Convert to fraction form
    107,360.40/161,011.44 = 89,704.02/x
  3. Step 3: Cross multiply
    107,360.40x = 161,011.44 × 89,704.02
  4. Step 4: Simplify right side
    107,360.40x = 14,443,373,433.99
  5. Step 5: Solve for x
    x = 14,443,373,433.99/107,360.40
  6. Step 6: Final answer
    x = 134,531.67

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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.