Home / 209,094.30-288,548.58-113,601.78

Finding the Fourth Proportional to 209,094.30, 288,548.58 and 113,601.78

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Solution

The fourth proportional to 209,094.30, 288,548.58 and 113,601.78 is: 156,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,094.30 : 288,548.58 = 113,601.78 : x
  2. Step 2: Convert to fraction form
    209,094.30/288,548.58 = 113,601.78/x
  3. Step 3: Cross multiply
    209,094.30x = 288,548.58 × 113,601.78
  4. Step 4: Simplify right side
    209,094.30x = 32,779,632,304.47
  5. Step 5: Solve for x
    x = 32,779,632,304.47/209,094.30
  6. Step 6: Final answer
    x = 156,769.61

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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.