Home / 107,435.18-160,999.95-79,132.67

Finding the Fourth Proportional to 107,435.18, 160,999.95 and 79,132.67

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Solution

The fourth proportional to 107,435.18, 160,999.95 and 79,132.67 is: 118,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,435.18 : 160,999.95 = 79,132.67 : x
  2. Step 2: Convert to fraction form
    107,435.18/160,999.95 = 79,132.67/x
  3. Step 3: Cross multiply
    107,435.18x = 160,999.95 × 79,132.67
  4. Step 4: Simplify right side
    107,435.18x = 12,740,356,315.87
  5. Step 5: Solve for x
    x = 12,740,356,315.87/107,435.18
  6. Step 6: Final answer
    x = 118,586.44

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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.