Home / 346,219.31-519,396.30-132,971.63

Finding the Fourth Proportional to 346,219.31, 519,396.30 and 132,971.63

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Solution

The fourth proportional to 346,219.31, 519,396.30 and 132,971.63 is: 199,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,219.31 : 519,396.30 = 132,971.63 : x
  2. Step 2: Convert to fraction form
    346,219.31/519,396.30 = 132,971.63/x
  3. Step 3: Cross multiply
    346,219.31x = 519,396.30 × 132,971.63
  4. Step 4: Simplify right side
    346,219.31x = 69,064,970,029.99
  5. Step 5: Solve for x
    x = 69,064,970,029.99/346,219.31
  6. Step 6: Final answer
    x = 199,483.30

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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.