Home / 183,723.48-253,518.84-103,159.80

Finding the Fourth Proportional to 183,723.48, 253,518.84 and 103,159.80

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Solution

The fourth proportional to 183,723.48, 253,518.84 and 103,159.80 is: 142,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,723.48 : 253,518.84 = 103,159.80 : x
  2. Step 2: Convert to fraction form
    183,723.48/253,518.84 = 103,159.80/x
  3. Step 3: Cross multiply
    183,723.48x = 253,518.84 × 103,159.80
  4. Step 4: Simplify right side
    183,723.48x = 26,152,952,830.63
  5. Step 5: Solve for x
    x = 26,152,952,830.63/183,723.48
  6. Step 6: Final answer
    x = 142,349.54

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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.