Home / 166,539.60-229,830.12-91,088.10

Finding the Fourth Proportional to 166,539.60, 229,830.12 and 91,088.10

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Solution

The fourth proportional to 166,539.60, 229,830.12 and 91,088.10 is: 125,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,539.60 : 229,830.12 = 91,088.10 : x
  2. Step 2: Convert to fraction form
    166,539.60/229,830.12 = 91,088.10/x
  3. Step 3: Cross multiply
    166,539.60x = 229,830.12 × 91,088.10
  4. Step 4: Simplify right side
    166,539.60x = 20,934,788,953.57
  5. Step 5: Solve for x
    x = 20,934,788,953.57/166,539.60
  6. Step 6: Final answer
    x = 125,704.57

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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.