Home / 293,604.14-405,154.51-172,722.07

Finding the Fourth Proportional to 293,604.14, 405,154.51 and 172,722.07

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Solution

The fourth proportional to 293,604.14, 405,154.51 and 172,722.07 is: 238,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,604.14 : 405,154.51 = 172,722.07 : x
  2. Step 2: Convert to fraction form
    293,604.14/405,154.51 = 172,722.07/x
  3. Step 3: Cross multiply
    293,604.14x = 405,154.51 × 172,722.07
  4. Step 4: Simplify right side
    293,604.14x = 69,979,125,711.67
  5. Step 5: Solve for x
    x = 69,979,125,711.67/293,604.14
  6. Step 6: Final answer
    x = 238,345.16

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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.