Home / 203,689.24-281,124.93-118,806.30

Finding the Fourth Proportional to 203,689.24, 281,124.93 and 118,806.30

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Solution

The fourth proportional to 203,689.24, 281,124.93 and 118,806.30 is: 163,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,689.24 : 281,124.93 = 118,806.30 : x
  2. Step 2: Convert to fraction form
    203,689.24/281,124.93 = 118,806.30/x
  3. Step 3: Cross multiply
    203,689.24x = 281,124.93 × 118,806.30
  4. Step 4: Simplify right side
    203,689.24x = 33,399,412,771.06
  5. Step 5: Solve for x
    x = 33,399,412,771.06/203,689.24
  6. Step 6: Final answer
    x = 163,972.40

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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.