Home / 403,320.96-605,108.57-190,080.23

Finding the Fourth Proportional to 403,320.96, 605,108.57 and 190,080.23

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Solution

The fourth proportional to 403,320.96, 605,108.57 and 190,080.23 is: 285,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,320.96 : 605,108.57 = 190,080.23 : x
  2. Step 2: Convert to fraction form
    403,320.96/605,108.57 = 190,080.23/x
  3. Step 3: Cross multiply
    403,320.96x = 605,108.57 × 190,080.23
  4. Step 4: Simplify right side
    403,320.96x = 115,019,172,184.63
  5. Step 5: Solve for x
    x = 115,019,172,184.63/403,320.96
  6. Step 6: Final answer
    x = 285,180.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.