Home / 346,436.20-519,395.10-188,842.60

Finding the Fourth Proportional to 346,436.20, 519,395.10 and 188,842.60

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Solution

The fourth proportional to 346,436.20, 519,395.10 and 188,842.60 is: 283,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,436.20 : 519,395.10 = 188,842.60 : x
  2. Step 2: Convert to fraction form
    346,436.20/519,395.10 = 188,842.60/x
  3. Step 3: Cross multiply
    346,436.20x = 519,395.10 × 188,842.60
  4. Step 4: Simplify right side
    346,436.20x = 98,083,921,111.26
  5. Step 5: Solve for x
    x = 98,083,921,111.26/346,436.20
  6. Step 6: Final answer
    x = 283,122.61

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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.