Home / 190,450.20-262,802.70-105,565.44

Finding the Fourth Proportional to 190,450.20, 262,802.70 and 105,565.44

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Solution

The fourth proportional to 190,450.20, 262,802.70 and 105,565.44 is: 145,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,450.20 : 262,802.70 = 105,565.44 : x
  2. Step 2: Convert to fraction form
    190,450.20/262,802.70 = 105,565.44/x
  3. Step 3: Cross multiply
    190,450.20x = 262,802.70 × 105,565.44
  4. Step 4: Simplify right side
    190,450.20x = 27,742,882,658.69
  5. Step 5: Solve for x
    x = 27,742,882,658.69/190,450.20
  6. Step 6: Final answer
    x = 145,670.01

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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.