Home / 230,453.03-345,730.30-70,530.19

Finding the Fourth Proportional to 230,453.03, 345,730.30 and 70,530.19

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Solution

The fourth proportional to 230,453.03, 345,730.30 and 70,530.19 is: 105,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,453.03 : 345,730.30 = 70,530.19 : x
  2. Step 2: Convert to fraction form
    230,453.03/345,730.30 = 70,530.19/x
  3. Step 3: Cross multiply
    230,453.03x = 345,730.30 × 70,530.19
  4. Step 4: Simplify right side
    230,453.03x = 24,384,422,707.11
  5. Step 5: Solve for x
    x = 24,384,422,707.11/230,453.03
  6. Step 6: Final answer
    x = 105,810.81

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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.