Home / 110,808.41-152,782.20-76,846.32

Finding the Fourth Proportional to 110,808.41, 152,782.20 and 76,846.32

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Solution

The fourth proportional to 110,808.41, 152,782.20 and 76,846.32 is: 105,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,808.41 : 152,782.20 = 76,846.32 : x
  2. Step 2: Convert to fraction form
    110,808.41/152,782.20 = 76,846.32/x
  3. Step 3: Cross multiply
    110,808.41x = 152,782.20 × 76,846.32
  4. Step 4: Simplify right side
    110,808.41x = 11,740,749,831.50
  5. Step 5: Solve for x
    x = 11,740,749,831.50/110,808.41
  6. Step 6: Final answer
    x = 105,955.41

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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.