Home / 293,724.17-405,359.40-166,400.81

Finding the Fourth Proportional to 293,724.17, 405,359.40 and 166,400.81

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Solution

The fourth proportional to 293,724.17, 405,359.40 and 166,400.81 is: 229,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,724.17 : 405,359.40 = 166,400.81 : x
  2. Step 2: Convert to fraction form
    293,724.17/405,359.40 = 166,400.81/x
  3. Step 3: Cross multiply
    293,724.17x = 405,359.40 × 166,400.81
  4. Step 4: Simplify right side
    293,724.17x = 67,452,132,501.11
  5. Step 5: Solve for x
    x = 67,452,132,501.11/293,724.17
  6. Step 6: Final answer
    x = 229,644.47

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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.