Home / 190,975.51-263,553.11-110,428.30

Finding the Fourth Proportional to 190,975.51, 263,553.11 and 110,428.30

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Solution

The fourth proportional to 190,975.51, 263,553.11 and 110,428.30 is: 152,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,975.51 : 263,553.11 = 110,428.30 : x
  2. Step 2: Convert to fraction form
    190,975.51/263,553.11 = 110,428.30/x
  3. Step 3: Cross multiply
    190,975.51x = 263,553.11 × 110,428.30
  4. Step 4: Simplify right side
    190,975.51x = 29,103,721,897.01
  5. Step 5: Solve for x
    x = 29,103,721,897.01/190,975.51
  6. Step 6: Final answer
    x = 152,395.05

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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.