Home / 163,831.42-245,806.29-57,231.12

Finding the Fourth Proportional to 163,831.42, 245,806.29 and 57,231.12

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Solution

The fourth proportional to 163,831.42, 245,806.29 and 57,231.12 is: 85,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,831.42 : 245,806.29 = 57,231.12 : x
  2. Step 2: Convert to fraction form
    163,831.42/245,806.29 = 57,231.12/x
  3. Step 3: Cross multiply
    163,831.42x = 245,806.29 × 57,231.12
  4. Step 4: Simplify right side
    163,831.42x = 14,067,768,993.59
  5. Step 5: Solve for x
    x = 14,067,768,993.59/163,831.42
  6. Step 6: Final answer
    x = 85,867.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.