Home / 196,039.42-270,492.60-115,437.52

Finding the Fourth Proportional to 196,039.42, 270,492.60 and 115,437.52

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Solution

The fourth proportional to 196,039.42, 270,492.60 and 115,437.52 is: 159,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,039.42 : 270,492.60 = 115,437.52 : x
  2. Step 2: Convert to fraction form
    196,039.42/270,492.60 = 115,437.52/x
  3. Step 3: Cross multiply
    196,039.42x = 270,492.60 × 115,437.52
  4. Step 4: Simplify right side
    196,039.42x = 31,224,994,922.35
  5. Step 5: Solve for x
    x = 31,224,994,922.35/196,039.42
  6. Step 6: Final answer
    x = 159,279.16

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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.