Home / 101,933.36-152,899.96-66,864.88

Finding the Fourth Proportional to 101,933.36, 152,899.96 and 66,864.88

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Solution

The fourth proportional to 101,933.36, 152,899.96 and 66,864.88 is: 100,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,933.36 : 152,899.96 = 66,864.88 : x
  2. Step 2: Convert to fraction form
    101,933.36/152,899.96 = 66,864.88/x
  3. Step 3: Cross multiply
    101,933.36x = 152,899.96 × 66,864.88
  4. Step 4: Simplify right side
    101,933.36x = 10,223,637,477.40
  5. Step 5: Solve for x
    x = 10,223,637,477.40/101,933.36
  6. Step 6: Final answer
    x = 100,297.27

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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.