Home / 200,357.02-276,489.08-109,711.34

Finding the Fourth Proportional to 200,357.02, 276,489.08 and 109,711.34

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Solution

The fourth proportional to 200,357.02, 276,489.08 and 109,711.34 is: 151,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,357.02 : 276,489.08 = 109,711.34 : x
  2. Step 2: Convert to fraction form
    200,357.02/276,489.08 = 109,711.34/x
  3. Step 3: Cross multiply
    200,357.02x = 276,489.08 × 109,711.34
  4. Step 4: Simplify right side
    200,357.02x = 30,333,987,462.17
  5. Step 5: Solve for x
    x = 30,333,987,462.17/200,357.02
  6. Step 6: Final answer
    x = 151,399.67

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1.5x scale

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.