Home / 209,150.17-288,627.28-113,656.64

Finding the Fourth Proportional to 209,150.17, 288,627.28 and 113,656.64

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Solution

The fourth proportional to 209,150.17, 288,627.28 and 113,656.64 is: 156,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,150.17 : 288,627.28 = 113,656.64 : x
  2. Step 2: Convert to fraction form
    209,150.17/288,627.28 = 113,656.64/x
  3. Step 3: Cross multiply
    209,150.17x = 288,627.28 × 113,656.64
  4. Step 4: Simplify right side
    209,150.17x = 32,804,405,129.86
  5. Step 5: Solve for x
    x = 32,804,405,129.86/209,150.17
  6. Step 6: Final answer
    x = 156,846.18

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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.