Home / 286,653.40-395,572.98-164,141.80

Finding the Fourth Proportional to 286,653.40, 395,572.98 and 164,141.80

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Solution

The fourth proportional to 286,653.40, 395,572.98 and 164,141.80 is: 226,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,653.40 : 395,572.98 = 164,141.80 : x
  2. Step 2: Convert to fraction form
    286,653.40/395,572.98 = 164,141.80/x
  3. Step 3: Cross multiply
    286,653.40x = 395,572.98 × 164,141.80
  4. Step 4: Simplify right side
    286,653.40x = 64,930,060,968.56
  5. Step 5: Solve for x
    x = 64,930,060,968.56/286,653.40
  6. Step 6: Final answer
    x = 226,510.70

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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.