Home / 209,232.16-288,742.26-113,739.04

Finding the Fourth Proportional to 209,232.16, 288,742.26 and 113,739.04

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Solution

The fourth proportional to 209,232.16, 288,742.26 and 113,739.04 is: 156,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,232.16 : 288,742.26 = 113,739.04 : x
  2. Step 2: Convert to fraction form
    209,232.16/288,742.26 = 113,739.04/x
  3. Step 3: Cross multiply
    209,232.16x = 288,742.26 × 113,739.04
  4. Step 4: Simplify right side
    209,232.16x = 32,841,267,459.83
  5. Step 5: Solve for x
    x = 32,841,267,459.83/209,232.16
  6. Step 6: Final answer
    x = 156,960.90

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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.