Home / 200,345.72-276,477.57-109,707.66

Finding the Fourth Proportional to 200,345.72, 276,477.57 and 109,707.66

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Solution

The fourth proportional to 200,345.72, 276,477.57 and 109,707.66 is: 151,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,345.72 : 276,477.57 = 109,707.66 : x
  2. Step 2: Convert to fraction form
    200,345.72/276,477.57 = 109,707.66/x
  3. Step 3: Cross multiply
    200,345.72x = 276,477.57 × 109,707.66
  4. Step 4: Simplify right side
    200,345.72x = 30,331,707,247.19
  5. Step 5: Solve for x
    x = 30,331,707,247.19/200,345.72
  6. Step 6: Final answer
    x = 151,396.84

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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.