Home / 356,921.64-492,543.18-229,596.93

Finding the Fourth Proportional to 356,921.64, 492,543.18 and 229,596.93

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Solution

The fourth proportional to 356,921.64, 492,543.18 and 229,596.93 is: 316,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,921.64 : 492,543.18 = 229,596.93 : x
  2. Step 2: Convert to fraction form
    356,921.64/492,543.18 = 229,596.93/x
  3. Step 3: Cross multiply
    356,921.64x = 492,543.18 × 229,596.93
  4. Step 4: Simplify right side
    356,921.64x = 113,086,402,020.44
  5. Step 5: Solve for x
    x = 113,086,402,020.44/356,921.64
  6. Step 6: Final answer
    x = 316,838.18

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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.