Home / 209,064.96-288,512.10-113,573.16

Finding the Fourth Proportional to 209,064.96, 288,512.10 and 113,573.16

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Solution

The fourth proportional to 209,064.96, 288,512.10 and 113,573.16 is: 156,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,064.96 : 288,512.10 = 113,573.16 : x
  2. Step 2: Convert to fraction form
    209,064.96/288,512.10 = 113,573.16/x
  3. Step 3: Cross multiply
    209,064.96x = 288,512.10 × 113,573.16
  4. Step 4: Simplify right side
    209,064.96x = 32,767,230,895.24
  5. Step 5: Solve for x
    x = 32,767,230,895.24/209,064.96
  6. Step 6: Final answer
    x = 156,732.29

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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.