Home / 190,099.26-262,345.26-105,216.30

Finding the Fourth Proportional to 190,099.26, 262,345.26 and 105,216.30

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Solution

The fourth proportional to 190,099.26, 262,345.26 and 105,216.30 is: 145,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,099.26 : 262,345.26 = 105,216.30 : x
  2. Step 2: Convert to fraction form
    190,099.26/262,345.26 = 105,216.30/x
  3. Step 3: Cross multiply
    190,099.26x = 262,345.26 × 105,216.30
  4. Step 4: Simplify right side
    190,099.26x = 27,602,997,579.74
  5. Step 5: Solve for x
    x = 27,602,997,579.74/190,099.26
  6. Step 6: Final answer
    x = 145,203.08

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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.