Home / 190,347.09-262,683.10-104,312.33

Finding the Fourth Proportional to 190,347.09, 262,683.10 and 104,312.33

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Solution

The fourth proportional to 190,347.09, 262,683.10 and 104,312.33 is: 143,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,347.09 : 262,683.10 = 104,312.33 : x
  2. Step 2: Convert to fraction form
    190,347.09/262,683.10 = 104,312.33/x
  3. Step 3: Cross multiply
    190,347.09x = 262,683.10 × 104,312.33
  4. Step 4: Simplify right side
    190,347.09x = 27,401,086,212.62
  5. Step 5: Solve for x
    x = 27,401,086,212.62/190,347.09
  6. Step 6: Final answer
    x = 143,953.27

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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.