Home / 209,297.12-288,833.65-113,804.39

Finding the Fourth Proportional to 209,297.12, 288,833.65 and 113,804.39

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Solution

The fourth proportional to 209,297.12, 288,833.65 and 113,804.39 is: 157,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,297.12 : 288,833.65 = 113,804.39 : x
  2. Step 2: Convert to fraction form
    209,297.12/288,833.65 = 113,804.39/x
  3. Step 3: Cross multiply
    209,297.12x = 288,833.65 × 113,804.39
  4. Step 4: Simplify right side
    209,297.12x = 32,870,537,787.30
  5. Step 5: Solve for x
    x = 32,870,537,787.30/209,297.12
  6. Step 6: Final answer
    x = 157,052.03

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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.