Home / 395,098.14-592,587.06-128,858.23

Finding the Fourth Proportional to 395,098.14, 592,587.06 and 128,858.23

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Solution

The fourth proportional to 395,098.14, 592,587.06 and 128,858.23 is: 193,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,098.14 : 592,587.06 = 128,858.23 : x
  2. Step 2: Convert to fraction form
    395,098.14/592,587.06 = 128,858.23/x
  3. Step 3: Cross multiply
    395,098.14x = 592,587.06 × 128,858.23
  4. Step 4: Simplify right side
    395,098.14x = 76,359,719,672.50
  5. Step 5: Solve for x
    x = 76,359,719,672.50/395,098.14
  6. Step 6: Final answer
    x = 193,267.73

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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.