Home / 209,125.62-288,594.54-113,632.26

Finding the Fourth Proportional to 209,125.62, 288,594.54 and 113,632.26

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Solution

The fourth proportional to 209,125.62, 288,594.54 and 113,632.26 is: 156,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,125.62 : 288,594.54 = 113,632.26 : x
  2. Step 2: Convert to fraction form
    209,125.62/288,594.54 = 113,632.26/x
  3. Step 3: Cross multiply
    209,125.62x = 288,594.54 × 113,632.26
  4. Step 4: Simplify right side
    209,125.62x = 32,793,649,803.86
  5. Step 5: Solve for x
    x = 32,793,649,803.86/209,125.62
  6. Step 6: Final answer
    x = 156,813.16

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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.