Home / 152,300.09-228,376.13-76,366.01

Finding the Fourth Proportional to 152,300.09, 228,376.13 and 76,366.01

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Solution

The fourth proportional to 152,300.09, 228,376.13 and 76,366.01 is: 114,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,300.09 : 228,376.13 = 76,366.01 : x
  2. Step 2: Convert to fraction form
    152,300.09/228,376.13 = 76,366.01/x
  3. Step 3: Cross multiply
    152,300.09x = 228,376.13 × 76,366.01
  4. Step 4: Simplify right side
    152,300.09x = 17,440,173,446.41
  5. Step 5: Solve for x
    x = 17,440,173,446.41/152,300.09
  6. Step 6: Final answer
    x = 114,511.90

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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.