Home / 346,313.20-519,615.60-188,654.80

Finding the Fourth Proportional to 346,313.20, 519,615.60 and 188,654.80

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Solution

The fourth proportional to 346,313.20, 519,615.60 and 188,654.80 is: 283,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,313.20 : 519,615.60 = 188,654.80 : x
  2. Step 2: Convert to fraction form
    346,313.20/519,615.60 = 188,654.80/x
  3. Step 3: Cross multiply
    346,313.20x = 519,615.60 × 188,654.80
  4. Step 4: Simplify right side
    346,313.20x = 98,027,977,094.88
  5. Step 5: Solve for x
    x = 98,027,977,094.88/346,313.20
  6. Step 6: Final answer
    x = 283,061.62

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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.