Home / 259,583.16-389,316.02-119,206.84

Finding the Fourth Proportional to 259,583.16, 389,316.02 and 119,206.84

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Solution

The fourth proportional to 259,583.16, 389,316.02 and 119,206.84 is: 178,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,583.16 : 389,316.02 = 119,206.84 : x
  2. Step 2: Convert to fraction form
    259,583.16/389,316.02 = 119,206.84/x
  3. Step 3: Cross multiply
    259,583.16x = 389,316.02 × 119,206.84
  4. Step 4: Simplify right side
    259,583.16x = 46,409,132,505.58
  5. Step 5: Solve for x
    x = 46,409,132,505.58/259,583.16
  6. Step 6: Final answer
    x = 178,783.29

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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.