Home / 100,252.96-150,383.52-56,160.64

Finding the Fourth Proportional to 100,252.96, 150,383.52 and 56,160.64

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Solution

The fourth proportional to 100,252.96, 150,383.52 and 56,160.64 is: 84,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,252.96 : 150,383.52 = 56,160.64 : x
  2. Step 2: Convert to fraction form
    100,252.96/150,383.52 = 56,160.64/x
  3. Step 3: Cross multiply
    100,252.96x = 150,383.52 × 56,160.64
  4. Step 4: Simplify right side
    100,252.96x = 8,445,634,728.65
  5. Step 5: Solve for x
    x = 8,445,634,728.65/100,252.96
  6. Step 6: Final answer
    x = 84,243.25

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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.