Home / 174,778.38-261,985.86-118,623.06

Finding the Fourth Proportional to 174,778.38, 261,985.86 and 118,623.06

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Solution

The fourth proportional to 174,778.38, 261,985.86 and 118,623.06 is: 177,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,778.38 : 261,985.86 = 118,623.06 : x
  2. Step 2: Convert to fraction form
    174,778.38/261,985.86 = 118,623.06/x
  3. Step 3: Cross multiply
    174,778.38x = 261,985.86 × 118,623.06
  4. Step 4: Simplify right side
    174,778.38x = 31,077,564,389.93
  5. Step 5: Solve for x
    x = 31,077,564,389.93/174,778.38
  6. Step 6: Final answer
    x = 177,811.26

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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.