Home / 190,089.32-262,381.68-109,570.66

Finding the Fourth Proportional to 190,089.32, 262,381.68 and 109,570.66

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Solution

The fourth proportional to 190,089.32, 262,381.68 and 109,570.66 is: 151,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,089.32 : 262,381.68 = 109,570.66 : x
  2. Step 2: Convert to fraction form
    190,089.32/262,381.68 = 109,570.66/x
  3. Step 3: Cross multiply
    190,089.32x = 262,381.68 × 109,570.66
  4. Step 4: Simplify right side
    190,089.32x = 28,749,333,193.55
  5. Step 5: Solve for x
    x = 28,749,333,193.55/190,089.32
  6. Step 6: Final answer
    x = 151,241.18

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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.