Home / 190,334.09-262,643.57-109,746.05

Finding the Fourth Proportional to 190,334.09, 262,643.57 and 109,746.05

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Solution

The fourth proportional to 190,334.09, 262,643.57 and 109,746.05 is: 151,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,334.09 : 262,643.57 = 109,746.05 : x
  2. Step 2: Convert to fraction form
    190,334.09/262,643.57 = 109,746.05/x
  3. Step 3: Cross multiply
    190,334.09x = 262,643.57 × 109,746.05
  4. Step 4: Simplify right side
    190,334.09x = 28,824,093,532.32
  5. Step 5: Solve for x
    x = 28,824,093,532.32/190,334.09
  6. Step 6: Final answer
    x = 151,439.47

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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.