Home / 346,039.20-519,058.80-109,454.40

Finding the Fourth Proportional to 346,039.20, 519,058.80 and 109,454.40

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Solution

The fourth proportional to 346,039.20, 519,058.80 and 109,454.40 is: 164,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,039.20 : 519,058.80 = 109,454.40 : x
  2. Step 2: Convert to fraction form
    346,039.20/519,058.80 = 109,454.40/x
  3. Step 3: Cross multiply
    346,039.20x = 519,058.80 × 109,454.40
  4. Step 4: Simplify right side
    346,039.20x = 56,813,269,518.72
  5. Step 5: Solve for x
    x = 56,813,269,518.72/346,039.20
  6. Step 6: Final answer
    x = 164,181.60

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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.