Home / 209,078.24-288,527.74-113,584.30

Finding the Fourth Proportional to 209,078.24, 288,527.74 and 113,584.30

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Solution

The fourth proportional to 209,078.24, 288,527.74 and 113,584.30 is: 156,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,078.24 : 288,527.74 = 113,584.30 : x
  2. Step 2: Convert to fraction form
    209,078.24/288,527.74 = 113,584.30/x
  3. Step 3: Cross multiply
    209,078.24x = 288,527.74 × 113,584.30
  4. Step 4: Simplify right side
    209,078.24x = 32,772,220,373.20
  5. Step 5: Solve for x
    x = 32,772,220,373.20/209,078.24
  6. Step 6: Final answer
    x = 156,746.21

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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.