Home / 114,806.90-158,378.36-98,863.67

Finding the Fourth Proportional to 114,806.90, 158,378.36 and 98,863.67

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Solution

The fourth proportional to 114,806.90, 158,378.36 and 98,863.67 is: 136,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,806.90 : 158,378.36 = 98,863.67 : x
  2. Step 2: Convert to fraction form
    114,806.90/158,378.36 = 98,863.67/x
  3. Step 3: Cross multiply
    114,806.90x = 158,378.36 × 98,863.67
  4. Step 4: Simplify right side
    114,806.90x = 15,657,865,819.81
  5. Step 5: Solve for x
    x = 15,657,865,819.81/114,806.90
  6. Step 6: Final answer
    x = 136,384.36

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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.