Home / 190,101.39-262,398.36-109,582.72

Finding the Fourth Proportional to 190,101.39, 262,398.36 and 109,582.72

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Solution

The fourth proportional to 190,101.39, 262,398.36 and 109,582.72 is: 151,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,101.39 : 262,398.36 = 109,582.72 : x
  2. Step 2: Convert to fraction form
    190,101.39/262,398.36 = 109,582.72/x
  3. Step 3: Cross multiply
    190,101.39x = 262,398.36 × 109,582.72
  4. Step 4: Simplify right side
    190,101.39x = 28,754,326,012.34
  5. Step 5: Solve for x
    x = 28,754,326,012.34/190,101.39
  6. Step 6: Final answer
    x = 151,257.84

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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.