Home / 255,312.80-352,331.44-142,162.24

Finding the Fourth Proportional to 255,312.80, 352,331.44 and 142,162.24

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Solution

The fourth proportional to 255,312.80, 352,331.44 and 142,162.24 is: 196,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,312.80 : 352,331.44 = 142,162.24 : x
  2. Step 2: Convert to fraction form
    255,312.80/352,331.44 = 142,162.24/x
  3. Step 3: Cross multiply
    255,312.80x = 352,331.44 × 142,162.24
  4. Step 4: Simplify right side
    255,312.80x = 50,088,226,732.83
  5. Step 5: Solve for x
    x = 50,088,226,732.83/255,312.80
  6. Step 6: Final answer
    x = 196,183.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.