Home / 162,390.06-224,097.66-90,770.04

Finding the Fourth Proportional to 162,390.06, 224,097.66 and 90,770.04

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Solution

The fourth proportional to 162,390.06, 224,097.66 and 90,770.04 is: 125,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,390.06 : 224,097.66 = 90,770.04 : x
  2. Step 2: Convert to fraction form
    162,390.06/224,097.66 = 90,770.04/x
  3. Step 3: Cross multiply
    162,390.06x = 224,097.66 × 90,770.04
  4. Step 4: Simplify right side
    162,390.06x = 20,341,353,562.11
  5. Step 5: Solve for x
    x = 20,341,353,562.11/162,390.06
  6. Step 6: Final answer
    x = 125,262.31

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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.