Home / 174,211.74-261,052.65-79,386.66

Finding the Fourth Proportional to 174,211.74, 261,052.65 and 79,386.66

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Solution

The fourth proportional to 174,211.74, 261,052.65 and 79,386.66 is: 118,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,211.74 : 261,052.65 = 79,386.66 : x
  2. Step 2: Convert to fraction form
    174,211.74/261,052.65 = 79,386.66/x
  3. Step 3: Cross multiply
    174,211.74x = 261,052.65 × 79,386.66
  4. Step 4: Simplify right side
    174,211.74x = 20,724,097,570.72
  5. Step 5: Solve for x
    x = 20,724,097,570.72/174,211.74
  6. Step 6: Final answer
    x = 118,959.25

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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.