Home / 189,831.51-262,179.32-147,325.41

Finding the Fourth Proportional to 189,831.51, 262,179.32 and 147,325.41

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Solution

The fourth proportional to 189,831.51, 262,179.32 and 147,325.41 is: 203,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,831.51 : 262,179.32 = 147,325.41 : x
  2. Step 2: Convert to fraction form
    189,831.51/262,179.32 = 147,325.41/x
  3. Step 3: Cross multiply
    189,831.51x = 262,179.32 × 147,325.41
  4. Step 4: Simplify right side
    189,831.51x = 38,625,675,075.89
  5. Step 5: Solve for x
    x = 38,625,675,075.89/189,831.51
  6. Step 6: Final answer
    x = 203,473.46

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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.