Home / 346,417.20-519,698.70-109,783.80

Finding the Fourth Proportional to 346,417.20, 519,698.70 and 109,783.80

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Solution

The fourth proportional to 346,417.20, 519,698.70 and 109,783.80 is: 164,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,417.20 : 519,698.70 = 109,783.80 : x
  2. Step 2: Convert to fraction form
    346,417.20/519,698.70 = 109,783.80/x
  3. Step 3: Cross multiply
    346,417.20x = 519,698.70 × 109,783.80
  4. Step 4: Simplify right side
    346,417.20x = 57,054,498,141.06
  5. Step 5: Solve for x
    x = 57,054,498,141.06/346,417.20
  6. Step 6: Final answer
    x = 164,698.80

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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.