Home / 152,283.19-228,420.03-72,378.68

Finding the Fourth Proportional to 152,283.19, 228,420.03 and 72,378.68

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Solution

The fourth proportional to 152,283.19, 228,420.03 and 72,378.68 is: 108,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,283.19 : 228,420.03 = 72,378.68 : x
  2. Step 2: Convert to fraction form
    152,283.19/228,420.03 = 72,378.68/x
  3. Step 3: Cross multiply
    152,283.19x = 228,420.03 × 72,378.68
  4. Step 4: Simplify right side
    152,283.19x = 16,532,740,256.96
  5. Step 5: Solve for x
    x = 16,532,740,256.96/152,283.19
  6. Step 6: Final answer
    x = 108,565.76

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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.