Home / 152,665.32-228,800.88-68,363.76

Finding the Fourth Proportional to 152,665.32, 228,800.88 and 68,363.76

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Solution

The fourth proportional to 152,665.32, 228,800.88 and 68,363.76 is: 102,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,665.32 : 228,800.88 = 68,363.76 : x
  2. Step 2: Convert to fraction form
    152,665.32/228,800.88 = 68,363.76/x
  3. Step 3: Cross multiply
    152,665.32x = 228,800.88 × 68,363.76
  4. Step 4: Simplify right side
    152,665.32x = 15,641,688,448.11
  5. Step 5: Solve for x
    x = 15,641,688,448.11/152,665.32
  6. Step 6: Final answer
    x = 102,457.38

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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.