Home / 166,316.56-229,451.70-102,543.64

Finding the Fourth Proportional to 166,316.56, 229,451.70 and 102,543.64

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Solution

The fourth proportional to 166,316.56, 229,451.70 and 102,543.64 is: 141,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,316.56 : 229,451.70 = 102,543.64 : x
  2. Step 2: Convert to fraction form
    166,316.56/229,451.70 = 102,543.64/x
  3. Step 3: Cross multiply
    166,316.56x = 229,451.70 × 102,543.64
  4. Step 4: Simplify right side
    166,316.56x = 23,528,812,522.19
  5. Step 5: Solve for x
    x = 23,528,812,522.19/166,316.56
  6. Step 6: Final answer
    x = 141,470.05

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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.