Home / 190,174.05-262,457.79-105,291.11

Finding the Fourth Proportional to 190,174.05, 262,457.79 and 105,291.11

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Solution

The fourth proportional to 190,174.05, 262,457.79 and 105,291.11 is: 145,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,174.05 : 262,457.79 = 105,291.11 : x
  2. Step 2: Convert to fraction form
    190,174.05/262,457.79 = 105,291.11/x
  3. Step 3: Cross multiply
    190,174.05x = 262,457.79 × 105,291.11
  4. Step 4: Simplify right side
    190,174.05x = 27,634,471,117.87
  5. Step 5: Solve for x
    x = 27,634,471,117.87/190,174.05
  6. Step 6: Final answer
    x = 145,311.48

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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.