Home / 293,553.60-405,200.16-172,688.64

Finding the Fourth Proportional to 293,553.60, 405,200.16 and 172,688.64

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Solution

The fourth proportional to 293,553.60, 405,200.16 and 172,688.64 is: 238,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,553.60 : 405,200.16 = 172,688.64 : x
  2. Step 2: Convert to fraction form
    293,553.60/405,200.16 = 172,688.64/x
  3. Step 3: Cross multiply
    293,553.60x = 405,200.16 × 172,688.64
  4. Step 4: Simplify right side
    293,553.60x = 69,973,464,558.18
  5. Step 5: Solve for x
    x = 69,973,464,558.18/293,553.60
  6. Step 6: Final answer
    x = 238,366.91

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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.