Home / 215,012.48-296,691.46-118,200.36

Finding the Fourth Proportional to 215,012.48, 296,691.46 and 118,200.36

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Solution

The fourth proportional to 215,012.48, 296,691.46 and 118,200.36 is: 163,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,012.48 : 296,691.46 = 118,200.36 : x
  2. Step 2: Convert to fraction form
    215,012.48/296,691.46 = 118,200.36/x
  3. Step 3: Cross multiply
    215,012.48x = 296,691.46 × 118,200.36
  4. Step 4: Simplify right side
    215,012.48x = 35,069,038,198.02
  5. Step 5: Solve for x
    x = 35,069,038,198.02/215,012.48
  6. Step 6: Final answer
    x = 163,102.34

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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.