Home / 395,100.14-592,590.06-128,860.23

Finding the Fourth Proportional to 395,100.14, 592,590.06 and 128,860.23

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Solution

The fourth proportional to 395,100.14, 592,590.06 and 128,860.23 is: 193,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,100.14 : 592,590.06 = 128,860.23 : x
  2. Step 2: Convert to fraction form
    395,100.14/592,590.06 = 128,860.23/x
  3. Step 3: Cross multiply
    395,100.14x = 592,590.06 × 128,860.23
  4. Step 4: Simplify right side
    395,100.14x = 76,361,291,427.31
  5. Step 5: Solve for x
    x = 76,361,291,427.31/395,100.14
  6. Step 6: Final answer
    x = 193,270.73

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1.5x scale

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.