Home / 190,101.19-262,386.36-113,665.54

Finding the Fourth Proportional to 190,101.19, 262,386.36 and 113,665.54

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Solution

The fourth proportional to 190,101.19, 262,386.36 and 113,665.54 is: 156,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,101.19 : 262,386.36 = 113,665.54 : x
  2. Step 2: Convert to fraction form
    190,101.19/262,386.36 = 113,665.54/x
  3. Step 3: Cross multiply
    190,101.19x = 262,386.36 × 113,665.54
  4. Step 4: Simplify right side
    190,101.19x = 29,824,287,298.03
  5. Step 5: Solve for x
    x = 29,824,287,298.03/190,101.19
  6. Step 6: Final answer
    x = 156,886.38

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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.