Home / 200,510.16-276,685.62-115,610.82

Finding the Fourth Proportional to 200,510.16, 276,685.62 and 115,610.82

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Solution

The fourth proportional to 200,510.16, 276,685.62 and 115,610.82 is: 159,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,510.16 : 276,685.62 = 115,610.82 : x
  2. Step 2: Convert to fraction form
    200,510.16/276,685.62 = 115,610.82/x
  3. Step 3: Cross multiply
    200,510.16x = 276,685.62 × 115,610.82
  4. Step 4: Simplify right side
    200,510.16x = 31,987,851,410.41
  5. Step 5: Solve for x
    x = 31,987,851,410.41/200,510.16
  6. Step 6: Final answer
    x = 159,532.32

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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.