Home / 209,028.90-288,463.23-113,535.66

Finding the Fourth Proportional to 209,028.90, 288,463.23 and 113,535.66

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Solution

The fourth proportional to 209,028.90, 288,463.23 and 113,535.66 is: 156,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,028.90 : 288,463.23 = 113,535.66 : x
  2. Step 2: Convert to fraction form
    209,028.90/288,463.23 = 113,535.66/x
  3. Step 3: Cross multiply
    209,028.90x = 288,463.23 × 113,535.66
  4. Step 4: Simplify right side
    209,028.90x = 32,750,863,203.78
  5. Step 5: Solve for x
    x = 32,750,863,203.78/209,028.90
  6. Step 6: Final answer
    x = 156,681.03

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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.