Home / 155,181.24-214,175.07-145,050.75

Finding the Fourth Proportional to 155,181.24, 214,175.07 and 145,050.75

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Solution

The fourth proportional to 155,181.24, 214,175.07 and 145,050.75 is: 200,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,181.24 : 214,175.07 = 145,050.75 : x
  2. Step 2: Convert to fraction form
    155,181.24/214,175.07 = 145,050.75/x
  3. Step 3: Cross multiply
    155,181.24x = 214,175.07 × 145,050.75
  4. Step 4: Simplify right side
    155,181.24x = 31,066,254,534.80
  5. Step 5: Solve for x
    x = 31,066,254,534.80/155,181.24
  6. Step 6: Final answer
    x = 200,193.36

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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.