Home / 209,603.08-289,250.58-114,109.48

Finding the Fourth Proportional to 209,603.08, 289,250.58 and 114,109.48

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Solution

The fourth proportional to 209,603.08, 289,250.58 and 114,109.48 is: 157,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,603.08 : 289,250.58 = 114,109.48 : x
  2. Step 2: Convert to fraction form
    209,603.08/289,250.58 = 114,109.48/x
  3. Step 3: Cross multiply
    209,603.08x = 289,250.58 × 114,109.48
  4. Step 4: Simplify right side
    209,603.08x = 33,006,233,273.50
  5. Step 5: Solve for x
    x = 33,006,233,273.50/209,603.08
  6. Step 6: Final answer
    x = 157,470.17

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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.