Home / 209,632.35-289,284.87-114,137.13

Finding the Fourth Proportional to 209,632.35, 289,284.87 and 114,137.13

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Solution

The fourth proportional to 209,632.35, 289,284.87 and 114,137.13 is: 157,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,632.35 : 289,284.87 = 114,137.13 : x
  2. Step 2: Convert to fraction form
    209,632.35/289,284.87 = 114,137.13/x
  3. Step 3: Cross multiply
    209,632.35x = 289,284.87 × 114,137.13
  4. Step 4: Simplify right side
    209,632.35x = 33,018,144,814.22
  5. Step 5: Solve for x
    x = 33,018,144,814.22/209,632.35
  6. Step 6: Final answer
    x = 157,505.01

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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.