Home / 133,929.64-200,904.18-40,442.68

Finding the Fourth Proportional to 133,929.64, 200,904.18 and 40,442.68

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Solution

The fourth proportional to 133,929.64, 200,904.18 and 40,442.68 is: 60,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,929.64 : 200,904.18 = 40,442.68 : x
  2. Step 2: Convert to fraction form
    133,929.64/200,904.18 = 40,442.68/x
  3. Step 3: Cross multiply
    133,929.64x = 200,904.18 × 40,442.68
  4. Step 4: Simplify right side
    133,929.64x = 8,125,103,462.40
  5. Step 5: Solve for x
    x = 8,125,103,462.40/133,929.64
  6. Step 6: Final answer
    x = 60,666.96

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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.