Home / 216,619.04-298,911.29-119,807.53

Finding the Fourth Proportional to 216,619.04, 298,911.29 and 119,807.53

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Solution

The fourth proportional to 216,619.04, 298,911.29 and 119,807.53 is: 165,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619.04 : 298,911.29 = 119,807.53 : x
  2. Step 2: Convert to fraction form
    216,619.04/298,911.29 = 119,807.53/x
  3. Step 3: Cross multiply
    216,619.04x = 298,911.29 × 119,807.53
  4. Step 4: Simplify right side
    216,619.04x = 35,811,821,997.70
  5. Step 5: Solve for x
    x = 35,811,821,997.70/216,619.04
  6. Step 6: Final answer
    x = 165,321.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.