Home / 346,597.20-519,944.40-109,915.20

Finding the Fourth Proportional to 346,597.20, 519,944.40 and 109,915.20

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Solution

The fourth proportional to 346,597.20, 519,944.40 and 109,915.20 is: 164,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,597.20 : 519,944.40 = 109,915.20 : x
  2. Step 2: Convert to fraction form
    346,597.20/519,944.40 = 109,915.20/x
  3. Step 3: Cross multiply
    346,597.20x = 519,944.40 × 109,915.20
  4. Step 4: Simplify right side
    346,597.20x = 57,149,792,714.88
  5. Step 5: Solve for x
    x = 57,149,792,714.88/346,597.20
  6. Step 6: Final answer
    x = 164,888.21

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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.