Home / 190,433.76-262,662.12-125,828.16

Finding the Fourth Proportional to 190,433.76, 262,662.12 and 125,828.16

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Solution

The fourth proportional to 190,433.76, 262,662.12 and 125,828.16 is: 173,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,433.76 : 262,662.12 = 125,828.16 : x
  2. Step 2: Convert to fraction form
    190,433.76/262,662.12 = 125,828.16/x
  3. Step 3: Cross multiply
    190,433.76x = 262,662.12 × 125,828.16
  4. Step 4: Simplify right side
    190,433.76x = 33,050,291,261.30
  5. Step 5: Solve for x
    x = 33,050,291,261.30/190,433.76
  6. Step 6: Final answer
    x = 173,552.69

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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.