Home / 209,127.49-288,595.32-113,634.16

Finding the Fourth Proportional to 209,127.49, 288,595.32 and 113,634.16

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Solution

The fourth proportional to 209,127.49, 288,595.32 and 113,634.16 is: 156,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,127.49 : 288,595.32 = 113,634.16 : x
  2. Step 2: Convert to fraction form
    209,127.49/288,595.32 = 113,634.16/x
  3. Step 3: Cross multiply
    209,127.49x = 288,595.32 × 113,634.16
  4. Step 4: Simplify right side
    209,127.49x = 32,794,286,768.13
  5. Step 5: Solve for x
    x = 32,794,286,768.13/209,127.49
  6. Step 6: Final answer
    x = 156,814.81

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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.