Home / 117,811.64-176,650.48-80,416.98

Finding the Fourth Proportional to 117,811.64, 176,650.48 and 80,416.98

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Solution

The fourth proportional to 117,811.64, 176,650.48 and 80,416.98 is: 120,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,811.64 : 176,650.48 = 80,416.98 : x
  2. Step 2: Convert to fraction form
    117,811.64/176,650.48 = 80,416.98/x
  3. Step 3: Cross multiply
    117,811.64x = 176,650.48 × 80,416.98
  4. Step 4: Simplify right side
    117,811.64x = 14,205,696,831.81
  5. Step 5: Solve for x
    x = 14,205,696,831.81/117,811.64
  6. Step 6: Final answer
    x = 120,579.74

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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.