Home / 200,234.08-276,384.52-115,407.60

Finding the Fourth Proportional to 200,234.08, 276,384.52 and 115,407.60

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Solution

The fourth proportional to 200,234.08, 276,384.52 and 115,407.60 is: 159,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,234.08 : 276,384.52 = 115,407.60 : x
  2. Step 2: Convert to fraction form
    200,234.08/276,384.52 = 115,407.60/x
  3. Step 3: Cross multiply
    200,234.08x = 276,384.52 × 115,407.60
  4. Step 4: Simplify right side
    200,234.08x = 31,896,874,130.35
  5. Step 5: Solve for x
    x = 31,896,874,130.35/200,234.08
  6. Step 6: Final answer
    x = 159,297.93

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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.