Home / 193,051.20-289,567.20-99,566.40

Finding the Fourth Proportional to 193,051.20, 289,567.20 and 99,566.40

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Solution

The fourth proportional to 193,051.20, 289,567.20 and 99,566.40 is: 149,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,051.20 : 289,567.20 = 99,566.40 : x
  2. Step 2: Convert to fraction form
    193,051.20/289,567.20 = 99,566.40/x
  3. Step 3: Cross multiply
    193,051.20x = 289,567.20 × 99,566.40
  4. Step 4: Simplify right side
    193,051.20x = 28,831,163,662.08
  5. Step 5: Solve for x
    x = 28,831,163,662.08/193,051.20
  6. Step 6: Final answer
    x = 149,344.65

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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.