Home / 151,323.70-226,985.55-128,773.30

Finding the Fourth Proportional to 151,323.70, 226,985.55 and 128,773.30

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Solution

The fourth proportional to 151,323.70, 226,985.55 and 128,773.30 is: 193,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,323.70 : 226,985.55 = 128,773.30 : x
  2. Step 2: Convert to fraction form
    151,323.70/226,985.55 = 128,773.30/x
  3. Step 3: Cross multiply
    151,323.70x = 226,985.55 × 128,773.30
  4. Step 4: Simplify right side
    151,323.70x = 29,229,678,325.82
  5. Step 5: Solve for x
    x = 29,229,678,325.82/151,323.70
  6. Step 6: Final answer
    x = 193,159.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.