Home / 312,027.14-468,038.28-162,190.10

Finding the Fourth Proportional to 312,027.14, 468,038.28 and 162,190.10

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Solution

The fourth proportional to 312,027.14, 468,038.28 and 162,190.10 is: 243,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,027.14 : 468,038.28 = 162,190.10 : x
  2. Step 2: Convert to fraction form
    312,027.14/468,038.28 = 162,190.10/x
  3. Step 3: Cross multiply
    312,027.14x = 468,038.28 × 162,190.10
  4. Step 4: Simplify right side
    312,027.14x = 75,911,175,437.03
  5. Step 5: Solve for x
    x = 75,911,175,437.03/312,027.14
  6. Step 6: Final answer
    x = 243,283.89

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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.