Home / 174,078.07-261,131.02-74,239.16

Finding the Fourth Proportional to 174,078.07, 261,131.02 and 74,239.16

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Solution

The fourth proportional to 174,078.07, 261,131.02 and 74,239.16 is: 111,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,078.07 : 261,131.02 = 74,239.16 : x
  2. Step 2: Convert to fraction form
    174,078.07/261,131.02 = 74,239.16/x
  3. Step 3: Cross multiply
    174,078.07x = 261,131.02 × 74,239.16
  4. Step 4: Simplify right side
    174,078.07x = 19,386,146,083.49
  5. Step 5: Solve for x
    x = 19,386,146,083.49/174,078.07
  6. Step 6: Final answer
    x = 111,364.67

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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.