Home / 150,617.51-207,858.05-82,637.35

Finding the Fourth Proportional to 150,617.51, 207,858.05 and 82,637.35

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Solution

The fourth proportional to 150,617.51, 207,858.05 and 82,637.35 is: 114,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,617.51 : 207,858.05 = 82,637.35 : x
  2. Step 2: Convert to fraction form
    150,617.51/207,858.05 = 82,637.35/x
  3. Step 3: Cross multiply
    150,617.51x = 207,858.05 × 82,637.35
  4. Step 4: Simplify right side
    150,617.51x = 17,176,837,805.23
  5. Step 5: Solve for x
    x = 17,176,837,805.23/150,617.51
  6. Step 6: Final answer
    x = 114,042.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.