Home / 218,795.64-301,938.24-118,193.64

Finding the Fourth Proportional to 218,795.64, 301,938.24 and 118,193.64

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Solution

The fourth proportional to 218,795.64, 301,938.24 and 118,193.64 is: 163,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,795.64 : 301,938.24 = 118,193.64 : x
  2. Step 2: Convert to fraction form
    218,795.64/301,938.24 = 118,193.64/x
  3. Step 3: Cross multiply
    218,795.64x = 301,938.24 × 118,193.64
  4. Step 4: Simplify right side
    218,795.64x = 35,687,179,640.79
  5. Step 5: Solve for x
    x = 35,687,179,640.79/218,795.64
  6. Step 6: Final answer
    x = 163,107.36

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1.5x scale

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.