Home / 186,934.53-257,968.34-102,051.60

Finding the Fourth Proportional to 186,934.53, 257,968.34 and 102,051.60

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Solution

The fourth proportional to 186,934.53, 257,968.34 and 102,051.60 is: 140,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,934.53 : 257,968.34 = 102,051.60 : x
  2. Step 2: Convert to fraction form
    186,934.53/257,968.34 = 102,051.60/x
  3. Step 3: Cross multiply
    186,934.53x = 257,968.34 × 102,051.60
  4. Step 4: Simplify right side
    186,934.53x = 26,326,081,325.44
  5. Step 5: Solve for x
    x = 26,326,081,325.44/186,934.53
  6. Step 6: Final answer
    x = 140,830.49

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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.