Home / 162,918.74-224,816.46-90,320.96

Finding the Fourth Proportional to 162,918.74, 224,816.46 and 90,320.96

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Solution

The fourth proportional to 162,918.74, 224,816.46 and 90,320.96 is: 124,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,918.74 : 224,816.46 = 90,320.96 : x
  2. Step 2: Convert to fraction form
    162,918.74/224,816.46 = 90,320.96/x
  3. Step 3: Cross multiply
    162,918.74x = 224,816.46 × 90,320.96
  4. Step 4: Simplify right side
    162,918.74x = 20,305,638,491.00
  5. Step 5: Solve for x
    x = 20,305,638,491.00/162,918.74
  6. Step 6: Final answer
    x = 124,636.60

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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.