Home / 154,627.96-213,489.36-118,753.86

Finding the Fourth Proportional to 154,627.96, 213,489.36 and 118,753.86

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Solution

The fourth proportional to 154,627.96, 213,489.36 and 118,753.86 is: 163,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,627.96 : 213,489.36 = 118,753.86 : x
  2. Step 2: Convert to fraction form
    154,627.96/213,489.36 = 118,753.86/x
  3. Step 3: Cross multiply
    154,627.96x = 213,489.36 × 118,753.86
  4. Step 4: Simplify right side
    154,627.96x = 25,352,685,568.93
  5. Step 5: Solve for x
    x = 25,352,685,568.93/154,627.96
  6. Step 6: Final answer
    x = 163,959.26

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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.