Home / 209,160.39-288,643.17-113,667.08

Finding the Fourth Proportional to 209,160.39, 288,643.17 and 113,667.08

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Solution

The fourth proportional to 209,160.39, 288,643.17 and 113,667.08 is: 156,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,160.39 : 288,643.17 = 113,667.08 : x
  2. Step 2: Convert to fraction form
    209,160.39/288,643.17 = 113,667.08/x
  3. Step 3: Cross multiply
    209,160.39x = 288,643.17 × 113,667.08
  4. Step 4: Simplify right side
    209,160.39x = 32,809,224,852.63
  5. Step 5: Solve for x
    x = 32,809,224,852.63/209,160.39
  6. Step 6: Final answer
    x = 156,861.56

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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.