Home / 209,867.49-289,619.18-114,376.23

Finding the Fourth Proportional to 209,867.49, 289,619.18 and 114,376.23

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Solution

The fourth proportional to 209,867.49, 289,619.18 and 114,376.23 is: 157,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,867.49 : 289,619.18 = 114,376.23 : x
  2. Step 2: Convert to fraction form
    209,867.49/289,619.18 = 114,376.23/x
  3. Step 3: Cross multiply
    209,867.49x = 289,619.18 × 114,376.23
  4. Step 4: Simplify right side
    209,867.49x = 33,125,549,801.12
  5. Step 5: Solve for x
    x = 33,125,549,801.12/209,867.49
  6. Step 6: Final answer
    x = 157,840.31

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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.