Home / 218,938.52-302,135.60-118,336.52

Finding the Fourth Proportional to 218,938.52, 302,135.60 and 118,336.52

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Solution

The fourth proportional to 218,938.52, 302,135.60 and 118,336.52 is: 163,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,938.52 : 302,135.60 = 118,336.52 : x
  2. Step 2: Convert to fraction form
    218,938.52/302,135.60 = 118,336.52/x
  3. Step 3: Cross multiply
    218,938.52x = 302,135.60 × 118,336.52
  4. Step 4: Simplify right side
    218,938.52x = 35,753,675,472.11
  5. Step 5: Solve for x
    x = 35,753,675,472.11/218,938.52
  6. Step 6: Final answer
    x = 163,304.64

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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.