Home / 190,044.36-262,266.66-105,169.32

Finding the Fourth Proportional to 190,044.36, 262,266.66 and 105,169.32

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Solution

The fourth proportional to 190,044.36, 262,266.66 and 105,169.32 is: 145,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,044.36 : 262,266.66 = 105,169.32 : x
  2. Step 2: Convert to fraction form
    190,044.36/262,266.66 = 105,169.32/x
  3. Step 3: Cross multiply
    190,044.36x = 262,266.66 × 105,169.32
  4. Step 4: Simplify right side
    190,044.36x = 27,582,406,290.87
  5. Step 5: Solve for x
    x = 27,582,406,290.87/190,044.36
  6. Step 6: Final answer
    x = 145,136.67

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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.