Home / 183,715.74-253,519.44-103,141.80

Finding the Fourth Proportional to 183,715.74, 253,519.44 and 103,141.80

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Solution

The fourth proportional to 183,715.74, 253,519.44 and 103,141.80 is: 142,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,715.74 : 253,519.44 = 103,141.80 : x
  2. Step 2: Convert to fraction form
    183,715.74/253,519.44 = 103,141.80/x
  3. Step 3: Cross multiply
    183,715.74x = 253,519.44 × 103,141.80
  4. Step 4: Simplify right side
    183,715.74x = 26,148,451,376.59
  5. Step 5: Solve for x
    x = 26,148,451,376.59/183,715.74
  6. Step 6: Final answer
    x = 142,331.03

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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.