Home / 346,399.20-519,490.80-136,101.60

Finding the Fourth Proportional to 346,399.20, 519,490.80 and 136,101.60

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Solution

The fourth proportional to 346,399.20, 519,490.80 and 136,101.60 is: 204,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,399.20 : 519,490.80 = 136,101.60 : x
  2. Step 2: Convert to fraction form
    346,399.20/519,490.80 = 136,101.60/x
  3. Step 3: Cross multiply
    346,399.20x = 519,490.80 × 136,101.60
  4. Step 4: Simplify right side
    346,399.20x = 70,703,529,065.28
  5. Step 5: Solve for x
    x = 70,703,529,065.28/346,399.20
  6. Step 6: Final answer
    x = 204,109.97

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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.