Home / 282,231.60-423,125.44-193,215.28

Finding the Fourth Proportional to 282,231.60, 423,125.44 and 193,215.28

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Solution

The fourth proportional to 282,231.60, 423,125.44 and 193,215.28 is: 289,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,231.60 : 423,125.44 = 193,215.28 : x
  2. Step 2: Convert to fraction form
    282,231.60/423,125.44 = 193,215.28/x
  3. Step 3: Cross multiply
    282,231.60x = 423,125.44 × 193,215.28
  4. Step 4: Simplify right side
    282,231.60x = 81,754,300,364.72
  5. Step 5: Solve for x
    x = 81,754,300,364.72/282,231.60
  6. Step 6: Final answer
    x = 289,670.97

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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.