Home / 150,122.96-206,931.48-118,241.36

Finding the Fourth Proportional to 150,122.96, 206,931.48 and 118,241.36

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Solution

The fourth proportional to 150,122.96, 206,931.48 and 118,241.36 is: 162,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,122.96 : 206,931.48 = 118,241.36 : x
  2. Step 2: Convert to fraction form
    150,122.96/206,931.48 = 118,241.36/x
  3. Step 3: Cross multiply
    150,122.96x = 206,931.48 × 118,241.36
  4. Step 4: Simplify right side
    150,122.96x = 24,467,859,622.01
  5. Step 5: Solve for x
    x = 24,467,859,622.01/150,122.96
  6. Step 6: Final answer
    x = 162,985.46

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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.