Home / 193,227.60-289,985.40-99,685.20

Finding the Fourth Proportional to 193,227.60, 289,985.40 and 99,685.20

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Solution

The fourth proportional to 193,227.60, 289,985.40 and 99,685.20 is: 149,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,227.60 : 289,985.40 = 99,685.20 : x
  2. Step 2: Convert to fraction form
    193,227.60/289,985.40 = 99,685.20/x
  3. Step 3: Cross multiply
    193,227.60x = 289,985.40 × 99,685.20
  4. Step 4: Simplify right side
    193,227.60x = 28,907,252,596.08
  5. Step 5: Solve for x
    x = 28,907,252,596.08/193,227.60
  6. Step 6: Final answer
    x = 149,602.09

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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.