Home / 209,036.22-288,475.35-113,548.38

Finding the Fourth Proportional to 209,036.22, 288,475.35 and 113,548.38

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Solution

The fourth proportional to 209,036.22, 288,475.35 and 113,548.38 is: 156,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,036.22 : 288,475.35 = 113,548.38 : x
  2. Step 2: Convert to fraction form
    209,036.22/288,475.35 = 113,548.38/x
  3. Step 3: Cross multiply
    209,036.22x = 288,475.35 × 113,548.38
  4. Step 4: Simplify right side
    209,036.22x = 32,755,908,662.43
  5. Step 5: Solve for x
    x = 32,755,908,662.43/209,036.22
  6. Step 6: Final answer
    x = 156,699.68

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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.