Home / 183,878.98-253,778.57-103,312.73

Finding the Fourth Proportional to 183,878.98, 253,778.57 and 103,312.73

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Solution

The fourth proportional to 183,878.98, 253,778.57 and 103,312.73 is: 142,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,878.98 : 253,778.57 = 103,312.73 : x
  2. Step 2: Convert to fraction form
    183,878.98/253,778.57 = 103,312.73/x
  3. Step 3: Cross multiply
    183,878.98x = 253,778.57 × 103,312.73
  4. Step 4: Simplify right side
    183,878.98x = 26,218,557,387.50
  5. Step 5: Solve for x
    x = 26,218,557,387.50/183,878.98
  6. Step 6: Final answer
    x = 142,585.94

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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.