Home / 210,103.36-289,940.78-114,608.00

Finding the Fourth Proportional to 210,103.36, 289,940.78 and 114,608.00

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Solution

The fourth proportional to 210,103.36, 289,940.78 and 114,608.00 is: 158,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,103.36 : 289,940.78 = 114,608.00 : x
  2. Step 2: Convert to fraction form
    210,103.36/289,940.78 = 114,608.00/x
  3. Step 3: Cross multiply
    210,103.36x = 289,940.78 × 114,608.00
  4. Step 4: Simplify right side
    210,103.36x = 33,229,533,925.61
  5. Step 5: Solve for x
    x = 33,229,533,925.61/210,103.36
  6. Step 6: Final answer
    x = 158,158.03

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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.