Home / 209,160.88-288,643.86-113,667.58

Finding the Fourth Proportional to 209,160.88, 288,643.86 and 113,667.58

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Solution

The fourth proportional to 209,160.88, 288,643.86 and 113,667.58 is: 156,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,160.88 : 288,643.86 = 113,667.58 : x
  2. Step 2: Convert to fraction form
    209,160.88/288,643.86 = 113,667.58/x
  3. Step 3: Cross multiply
    209,160.88x = 288,643.86 × 113,667.58
  4. Step 4: Simplify right side
    209,160.88x = 32,809,449,048.06
  5. Step 5: Solve for x
    x = 32,809,449,048.06/209,160.88
  6. Step 6: Final answer
    x = 156,862.26

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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.