Home / 98,453.03-147,661.72-28,315.13

Finding the Fourth Proportional to 98,453.03, 147,661.72 and 28,315.13

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Solution

The fourth proportional to 98,453.03, 147,661.72 and 28,315.13 is: 42,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,453.03 : 147,661.72 = 28,315.13 : x
  2. Step 2: Convert to fraction form
    98,453.03/147,661.72 = 28,315.13/x
  3. Step 3: Cross multiply
    98,453.03x = 147,661.72 × 28,315.13
  4. Step 4: Simplify right side
    98,453.03x = 4,181,059,988.73
  5. Step 5: Solve for x
    x = 4,181,059,988.73/98,453.03
  6. Step 6: Final answer
    x = 42,467.56

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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.