Home / 112,303.02-154,993.19-108,610.64

Finding the Fourth Proportional to 112,303.02, 154,993.19 and 108,610.64

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Solution

The fourth proportional to 112,303.02, 154,993.19 and 108,610.64 is: 149,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,303.02 : 154,993.19 = 108,610.64 : x
  2. Step 2: Convert to fraction form
    112,303.02/154,993.19 = 108,610.64/x
  3. Step 3: Cross multiply
    112,303.02x = 154,993.19 × 108,610.64
  4. Step 4: Simplify right side
    112,303.02x = 16,833,908,243.52
  5. Step 5: Solve for x
    x = 16,833,908,243.52/112,303.02
  6. Step 6: Final answer
    x = 149,897.20

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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.