Home / 293,820.16-405,447.78-172,942.24

Finding the Fourth Proportional to 293,820.16, 405,447.78 and 172,942.24

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Solution

The fourth proportional to 293,820.16, 405,447.78 and 172,942.24 is: 238,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,820.16 : 405,447.78 = 172,942.24 : x
  2. Step 2: Convert to fraction form
    293,820.16/405,447.78 = 172,942.24/x
  3. Step 3: Cross multiply
    293,820.16x = 405,447.78 × 172,942.24
  4. Step 4: Simplify right side
    293,820.16x = 70,119,047,276.23
  5. Step 5: Solve for x
    x = 70,119,047,276.23/293,820.16
  6. Step 6: Final answer
    x = 238,646.14

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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.