Home / 209,303.73-288,837.66-113,810.49

Finding the Fourth Proportional to 209,303.73, 288,837.66 and 113,810.49

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Solution

The fourth proportional to 209,303.73, 288,837.66 and 113,810.49 is: 157,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,303.73 : 288,837.66 = 113,810.49 : x
  2. Step 2: Convert to fraction form
    209,303.73/288,837.66 = 113,810.49/x
  3. Step 3: Cross multiply
    209,303.73x = 288,837.66 × 113,810.49
  4. Step 4: Simplify right side
    209,303.73x = 32,872,755,615.05
  5. Step 5: Solve for x
    x = 32,872,755,615.05/209,303.73
  6. Step 6: Final answer
    x = 157,057.67

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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.