Home / 209,166.63-288,652.20-113,673.35

Finding the Fourth Proportional to 209,166.63, 288,652.20 and 113,673.35

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Solution

The fourth proportional to 209,166.63, 288,652.20 and 113,673.35 is: 156,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,166.63 : 288,652.20 = 113,673.35 : x
  2. Step 2: Convert to fraction form
    209,166.63/288,652.20 = 113,673.35/x
  3. Step 3: Cross multiply
    209,166.63x = 288,652.20 × 113,673.35
  4. Step 4: Simplify right side
    209,166.63x = 32,812,061,115.61
  5. Step 5: Solve for x
    x = 32,812,061,115.61/209,166.63
  6. Step 6: Final answer
    x = 156,870.44

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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.