Home / 170,239.47-255,452.08-70,408.32

Finding the Fourth Proportional to 170,239.47, 255,452.08 and 70,408.32

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Solution

The fourth proportional to 170,239.47, 255,452.08 and 70,408.32 is: 105,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,239.47 : 255,452.08 = 70,408.32 : x
  2. Step 2: Convert to fraction form
    170,239.47/255,452.08 = 70,408.32/x
  3. Step 3: Cross multiply
    170,239.47x = 255,452.08 × 70,408.32
  4. Step 4: Simplify right side
    170,239.47x = 17,985,951,793.31
  5. Step 5: Solve for x
    x = 17,985,951,793.31/170,239.47
  6. Step 6: Final answer
    x = 105,650.89

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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.