Home / 259,875.23-389,838.35-108,040.93

Finding the Fourth Proportional to 259,875.23, 389,838.35 and 108,040.93

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Solution

The fourth proportional to 259,875.23, 389,838.35 and 108,040.93 is: 162,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,875.23 : 389,838.35 = 108,040.93 : x
  2. Step 2: Convert to fraction form
    259,875.23/389,838.35 = 108,040.93/x
  3. Step 3: Cross multiply
    259,875.23x = 389,838.35 × 108,040.93
  4. Step 4: Simplify right side
    259,875.23x = 42,118,497,179.17
  5. Step 5: Solve for x
    x = 42,118,497,179.17/259,875.23
  6. Step 6: Final answer
    x = 162,072.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.