Home / 170,331.76-255,349.14-70,429.60

Finding the Fourth Proportional to 170,331.76, 255,349.14 and 70,429.60

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Solution

The fourth proportional to 170,331.76, 255,349.14 and 70,429.60 is: 105,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,331.76 : 255,349.14 = 70,429.60 : x
  2. Step 2: Convert to fraction form
    170,331.76/255,349.14 = 70,429.60/x
  3. Step 3: Cross multiply
    170,331.76x = 255,349.14 × 70,429.60
  4. Step 4: Simplify right side
    170,331.76x = 17,984,137,790.54
  5. Step 5: Solve for x
    x = 17,984,137,790.54/170,331.76
  6. Step 6: Final answer
    x = 105,583.00

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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.