Home / 116,708.19-174,799.71-81,803.67

Finding the Fourth Proportional to 116,708.19, 174,799.71 and 81,803.67

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Solution

The fourth proportional to 116,708.19, 174,799.71 and 81,803.67 is: 122,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,708.19 : 174,799.71 = 81,803.67 : x
  2. Step 2: Convert to fraction form
    116,708.19/174,799.71 = 81,803.67/x
  3. Step 3: Cross multiply
    116,708.19x = 174,799.71 × 81,803.67
  4. Step 4: Simplify right side
    116,708.19x = 14,299,257,792.94
  5. Step 5: Solve for x
    x = 14,299,257,792.94/116,708.19
  6. Step 6: Final answer
    x = 122,521.46

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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.