Home / 100,528.36-150,748.26-47,235.50

Finding the Fourth Proportional to 100,528.36, 150,748.26 and 47,235.50

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Solution

The fourth proportional to 100,528.36, 150,748.26 and 47,235.50 is: 70,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,528.36 : 150,748.26 = 47,235.50 : x
  2. Step 2: Convert to fraction form
    100,528.36/150,748.26 = 47,235.50/x
  3. Step 3: Cross multiply
    100,528.36x = 150,748.26 × 47,235.50
  4. Step 4: Simplify right side
    100,528.36x = 7,120,669,435.23
  5. Step 5: Solve for x
    x = 7,120,669,435.23/100,528.36
  6. Step 6: Final answer
    x = 70,832.44

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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.