Home / 209,264.42-288,783.48-113,771.12

Finding the Fourth Proportional to 209,264.42, 288,783.48 and 113,771.12

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Solution

The fourth proportional to 209,264.42, 288,783.48 and 113,771.12 is: 157,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,264.42 : 288,783.48 = 113,771.12 : x
  2. Step 2: Convert to fraction form
    209,264.42/288,783.48 = 113,771.12/x
  3. Step 3: Cross multiply
    209,264.42x = 288,783.48 × 113,771.12
  4. Step 4: Simplify right side
    209,264.42x = 32,855,219,957.10
  5. Step 5: Solve for x
    x = 32,855,219,957.10/209,264.42
  6. Step 6: Final answer
    x = 157,003.37

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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.