Home / 349,741.60-524,353.20-149,898.40

Finding the Fourth Proportional to 349,741.60, 524,353.20 and 149,898.40

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Solution

The fourth proportional to 349,741.60, 524,353.20 and 149,898.40 is: 224,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,741.60 : 524,353.20 = 149,898.40 : x
  2. Step 2: Convert to fraction form
    349,741.60/524,353.20 = 149,898.40/x
  3. Step 3: Cross multiply
    349,741.60x = 524,353.20 × 149,898.40
  4. Step 4: Simplify right side
    349,741.60x = 78,599,705,714.88
  5. Step 5: Solve for x
    x = 78,599,705,714.88/349,741.60
  6. Step 6: Final answer
    x = 224,736.51

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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.