Home / 152,303.48-228,381.20-76,369.38

Finding the Fourth Proportional to 152,303.48, 228,381.20 and 76,369.38

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Solution

The fourth proportional to 152,303.48, 228,381.20 and 76,369.38 is: 114,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,303.48 : 228,381.20 = 76,369.38 : x
  2. Step 2: Convert to fraction form
    152,303.48/228,381.20 = 76,369.38/x
  3. Step 3: Cross multiply
    152,303.48x = 228,381.20 × 76,369.38
  4. Step 4: Simplify right side
    152,303.48x = 17,441,330,265.81
  5. Step 5: Solve for x
    x = 17,441,330,265.81/152,303.48
  6. Step 6: Final answer
    x = 114,516.96

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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.