Home / 175,221.45-262,858.10-70,038.09

Finding the Fourth Proportional to 175,221.45, 262,858.10 and 70,038.09

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Solution

The fourth proportional to 175,221.45, 262,858.10 and 70,038.09 is: 105,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,221.45 : 262,858.10 = 70,038.09 : x
  2. Step 2: Convert to fraction form
    175,221.45/262,858.10 = 70,038.09/x
  3. Step 3: Cross multiply
    175,221.45x = 262,858.10 × 70,038.09
  4. Step 4: Simplify right side
    175,221.45x = 18,410,078,914.84
  5. Step 5: Solve for x
    x = 18,410,078,914.84/175,221.45
  6. Step 6: Final answer
    x = 105,067.50

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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.