Home / 395,097.14-592,585.56-128,857.23

Finding the Fourth Proportional to 395,097.14, 592,585.56 and 128,857.23

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Solution

The fourth proportional to 395,097.14, 592,585.56 and 128,857.23 is: 193,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,097.14 : 592,585.56 = 128,857.23 : x
  2. Step 2: Convert to fraction form
    395,097.14/592,585.56 = 128,857.23/x
  3. Step 3: Cross multiply
    395,097.14x = 592,585.56 × 128,857.23
  4. Step 4: Simplify right side
    395,097.14x = 76,358,933,799.60
  5. Step 5: Solve for x
    x = 76,358,933,799.60/395,097.14
  6. Step 6: Final answer
    x = 193,266.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.