Home / 163,831.58-245,780.18-51,540.06

Finding the Fourth Proportional to 163,831.58, 245,780.18 and 51,540.06

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Solution

The fourth proportional to 163,831.58, 245,780.18 and 51,540.06 is: 77,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,831.58 : 245,780.18 = 51,540.06 : x
  2. Step 2: Convert to fraction form
    163,831.58/245,780.18 = 51,540.06/x
  3. Step 3: Cross multiply
    163,831.58x = 245,780.18 × 51,540.06
  4. Step 4: Simplify right side
    163,831.58x = 12,667,525,224.01
  5. Step 5: Solve for x
    x = 12,667,525,224.01/163,831.58
  6. Step 6: Final answer
    x = 77,320.41

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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.