Home / 209,880.06-289,626.02-114,384.70

Finding the Fourth Proportional to 209,880.06, 289,626.02 and 114,384.70

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Solution

The fourth proportional to 209,880.06, 289,626.02 and 114,384.70 is: 157,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,880.06 : 289,626.02 = 114,384.70 : x
  2. Step 2: Convert to fraction form
    209,880.06/289,626.02 = 114,384.70/x
  3. Step 3: Cross multiply
    209,880.06x = 289,626.02 × 114,384.70
  4. Step 4: Simplify right side
    209,880.06x = 33,128,785,409.89
  5. Step 5: Solve for x
    x = 33,128,785,409.89/209,880.06
  6. Step 6: Final answer
    x = 157,846.27

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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.