Home / 209,032.25-288,465.03-113,536.89

Finding the Fourth Proportional to 209,032.25, 288,465.03 and 113,536.89

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Solution

The fourth proportional to 209,032.25, 288,465.03 and 113,536.89 is: 156,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,032.25 : 288,465.03 = 113,536.89 : x
  2. Step 2: Convert to fraction form
    209,032.25/288,465.03 = 113,536.89/x
  3. Step 3: Cross multiply
    209,032.25x = 288,465.03 × 113,536.89
  4. Step 4: Simplify right side
    209,032.25x = 32,751,422,379.96
  5. Step 5: Solve for x
    x = 32,751,422,379.96/209,032.25
  6. Step 6: Final answer
    x = 156,681.20

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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.