Home / 210,063.12-289,880.28-114,571.68

Finding the Fourth Proportional to 210,063.12, 289,880.28 and 114,571.68

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Solution

The fourth proportional to 210,063.12, 289,880.28 and 114,571.68 is: 158,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,063.12 : 289,880.28 = 114,571.68 : x
  2. Step 2: Convert to fraction form
    210,063.12/289,880.28 = 114,571.68/x
  3. Step 3: Cross multiply
    210,063.12x = 289,880.28 × 114,571.68
  4. Step 4: Simplify right side
    210,063.12x = 33,212,070,678.47
  5. Step 5: Solve for x
    x = 33,212,070,678.47/210,063.12
  6. Step 6: Final answer
    x = 158,105.20

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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.