Home / 257,153.29-354,794.76-166,365.45

Finding the Fourth Proportional to 257,153.29, 354,794.76 and 166,365.45

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Solution

The fourth proportional to 257,153.29, 354,794.76 and 166,365.45 is: 229,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,153.29 : 354,794.76 = 166,365.45 : x
  2. Step 2: Convert to fraction form
    257,153.29/354,794.76 = 166,365.45/x
  3. Step 3: Cross multiply
    257,153.29x = 354,794.76 × 166,365.45
  4. Step 4: Simplify right side
    257,153.29x = 59,025,589,905.04
  5. Step 5: Solve for x
    x = 59,025,589,905.04/257,153.29
  6. Step 6: Final answer
    x = 229,534.65

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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.