Home / 190,145.28-262,427.96-109,557.32

Finding the Fourth Proportional to 190,145.28, 262,427.96 and 109,557.32

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Solution

The fourth proportional to 190,145.28, 262,427.96 and 109,557.32 is: 151,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,145.28 : 262,427.96 = 109,557.32 : x
  2. Step 2: Convert to fraction form
    190,145.28/262,427.96 = 109,557.32/x
  3. Step 3: Cross multiply
    190,145.28x = 262,427.96 × 109,557.32
  4. Step 4: Simplify right side
    190,145.28x = 28,750,903,990.67
  5. Step 5: Solve for x
    x = 28,750,903,990.67/190,145.28
  6. Step 6: Final answer
    x = 151,204.93

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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.