Home / 351,286.60-526,929.90-161,746.60

Finding the Fourth Proportional to 351,286.60, 526,929.90 and 161,746.60

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Solution

The fourth proportional to 351,286.60, 526,929.90 and 161,746.60 is: 242,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,286.60 : 526,929.90 = 161,746.60 : x
  2. Step 2: Convert to fraction form
    351,286.60/526,929.90 = 161,746.60/x
  3. Step 3: Cross multiply
    351,286.60x = 526,929.90 × 161,746.60
  4. Step 4: Simplify right side
    351,286.60x = 85,229,119,763.34
  5. Step 5: Solve for x
    x = 85,229,119,763.34/351,286.60
  6. Step 6: Final answer
    x = 242,619.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.