Home / 395,207.75-592,905.94-128,968.76

Finding the Fourth Proportional to 395,207.75, 592,905.94 and 128,968.76

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Solution

The fourth proportional to 395,207.75, 592,905.94 and 128,968.76 is: 193,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,207.75 : 592,905.94 = 128,968.76 : x
  2. Step 2: Convert to fraction form
    395,207.75/592,905.94 = 128,968.76/x
  3. Step 3: Cross multiply
    395,207.75x = 592,905.94 × 128,968.76
  4. Step 4: Simplify right side
    395,207.75x = 76,466,345,038.28
  5. Step 5: Solve for x
    x = 76,466,345,038.28/395,207.75
  6. Step 6: Final answer
    x = 193,483.92

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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.