Home / 183,778.80-253,595.88-103,215.24

Finding the Fourth Proportional to 183,778.80, 253,595.88 and 103,215.24

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Solution

The fourth proportional to 183,778.80, 253,595.88 and 103,215.24 is: 142,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,778.80 : 253,595.88 = 103,215.24 : x
  2. Step 2: Convert to fraction form
    183,778.80/253,595.88 = 103,215.24/x
  3. Step 3: Cross multiply
    183,778.80x = 253,595.88 × 103,215.24
  4. Step 4: Simplify right side
    183,778.80x = 26,174,959,617.21
  5. Step 5: Solve for x
    x = 26,174,959,617.21/183,778.80
  6. Step 6: Final answer
    x = 142,426.44

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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.