Home / 190,904.90-264,019.64-166,990.05

Finding the Fourth Proportional to 190,904.90, 264,019.64 and 166,990.05

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Solution

The fourth proportional to 190,904.90, 264,019.64 and 166,990.05 is: 230,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.90 : 264,019.64 = 166,990.05 : x
  2. Step 2: Convert to fraction form
    190,904.90/264,019.64 = 166,990.05/x
  3. Step 3: Cross multiply
    190,904.90x = 264,019.64 × 166,990.05
  4. Step 4: Simplify right side
    190,904.90x = 44,088,652,049.63
  5. Step 5: Solve for x
    x = 44,088,652,049.63/190,904.90
  6. Step 6: Final answer
    x = 230,945.63

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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.