Home / 168,736.80-253,202.40-63,631.20

Finding the Fourth Proportional to 168,736.80, 253,202.40 and 63,631.20

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Solution

The fourth proportional to 168,736.80, 253,202.40 and 63,631.20 is: 95,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,736.80 : 253,202.40 = 63,631.20 : x
  2. Step 2: Convert to fraction form
    168,736.80/253,202.40 = 63,631.20/x
  3. Step 3: Cross multiply
    168,736.80x = 253,202.40 × 63,631.20
  4. Step 4: Simplify right side
    168,736.80x = 16,111,572,554.88
  5. Step 5: Solve for x
    x = 16,111,572,554.88/168,736.80
  6. Step 6: Final answer
    x = 95,483.45

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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.