Home / 208,741.22-288,077.15-118,097.16

Finding the Fourth Proportional to 208,741.22, 288,077.15 and 118,097.16

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Solution

The fourth proportional to 208,741.22, 288,077.15 and 118,097.16 is: 162,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,741.22 : 288,077.15 = 118,097.16 : x
  2. Step 2: Convert to fraction form
    208,741.22/288,077.15 = 118,097.16/x
  3. Step 3: Cross multiply
    208,741.22x = 288,077.15 × 118,097.16
  4. Step 4: Simplify right side
    208,741.22x = 34,021,092,685.41
  5. Step 5: Solve for x
    x = 34,021,092,685.41/208,741.22
  6. Step 6: Final answer
    x = 162,982.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.