Home / 207,748.99-286,693.68-112,255.67

Finding the Fourth Proportional to 207,748.99, 286,693.68 and 112,255.67

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Solution

The fourth proportional to 207,748.99, 286,693.68 and 112,255.67 is: 154,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,748.99 : 286,693.68 = 112,255.67 : x
  2. Step 2: Convert to fraction form
    207,748.99/286,693.68 = 112,255.67/x
  3. Step 3: Cross multiply
    207,748.99x = 286,693.68 × 112,255.67
  4. Step 4: Simplify right side
    207,748.99x = 32,182,991,639.42
  5. Step 5: Solve for x
    x = 32,182,991,639.42/207,748.99
  6. Step 6: Final answer
    x = 154,912.87

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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.