Home / 170,325.36-255,518.82-70,431.30

Finding the Fourth Proportional to 170,325.36, 255,518.82 and 70,431.30

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Solution

The fourth proportional to 170,325.36, 255,518.82 and 70,431.30 is: 105,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,325.36 : 255,518.82 = 70,431.30 : x
  2. Step 2: Convert to fraction form
    170,325.36/255,518.82 = 70,431.30/x
  3. Step 3: Cross multiply
    170,325.36x = 255,518.82 × 70,431.30
  4. Step 4: Simplify right side
    170,325.36x = 17,996,522,667.07
  5. Step 5: Solve for x
    x = 17,996,522,667.07/170,325.36
  6. Step 6: Final answer
    x = 105,659.68

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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.