Home / 190,216.38-262,498.16-109,643.36

Finding the Fourth Proportional to 190,216.38, 262,498.16 and 109,643.36

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Solution

The fourth proportional to 190,216.38, 262,498.16 and 109,643.36 is: 151,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,216.38 : 262,498.16 = 109,643.36 : x
  2. Step 2: Convert to fraction form
    190,216.38/262,498.16 = 109,643.36/x
  3. Step 3: Cross multiply
    190,216.38x = 262,498.16 × 109,643.36
  4. Step 4: Simplify right side
    190,216.38x = 28,781,180,256.22
  5. Step 5: Solve for x
    x = 28,781,180,256.22/190,216.38
  6. Step 6: Final answer
    x = 151,307.58

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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.