Home / 208,743.55-288,066.17-118,097.66

Finding the Fourth Proportional to 208,743.55, 288,066.17 and 118,097.66

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Solution

The fourth proportional to 208,743.55, 288,066.17 and 118,097.66 is: 162,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,743.55 : 288,066.17 = 118,097.66 : x
  2. Step 2: Convert to fraction form
    208,743.55/288,066.17 = 118,097.66/x
  3. Step 3: Cross multiply
    208,743.55x = 288,066.17 × 118,097.66
  4. Step 4: Simplify right side
    208,743.55x = 34,019,941,617.57
  5. Step 5: Solve for x
    x = 34,019,941,617.57/208,743.55
  6. Step 6: Final answer
    x = 162,974.82

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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.