Home / 203,015.68-280,097.23-118,116.34

Finding the Fourth Proportional to 203,015.68, 280,097.23 and 118,116.34

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Solution

The fourth proportional to 203,015.68, 280,097.23 and 118,116.34 is: 162,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,015.68 : 280,097.23 = 118,116.34 : x
  2. Step 2: Convert to fraction form
    203,015.68/280,097.23 = 118,116.34/x
  3. Step 3: Cross multiply
    203,015.68x = 280,097.23 × 118,116.34
  4. Step 4: Simplify right side
    203,015.68x = 33,084,059,651.74
  5. Step 5: Solve for x
    x = 33,084,059,651.74/203,015.68
  6. Step 6: Final answer
    x = 162,963.08

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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.