Home / 190,015.84-262,192.32-109,446.64

Finding the Fourth Proportional to 190,015.84, 262,192.32 and 109,446.64

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Solution

The fourth proportional to 190,015.84, 262,192.32 and 109,446.64 is: 151,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,015.84 : 262,192.32 = 109,446.64 : x
  2. Step 2: Convert to fraction form
    190,015.84/262,192.32 = 109,446.64/x
  3. Step 3: Cross multiply
    190,015.84x = 262,192.32 × 109,446.64
  4. Step 4: Simplify right side
    190,015.84x = 28,696,068,457.80
  5. Step 5: Solve for x
    x = 28,696,068,457.80/190,015.84
  6. Step 6: Final answer
    x = 151,019.35

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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.