Home / 114,179.76-157,718.66-87,650.10

Finding the Fourth Proportional to 114,179.76, 157,718.66 and 87,650.10

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Solution

The fourth proportional to 114,179.76, 157,718.66 and 87,650.10 is: 121,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,179.76 : 157,718.66 = 87,650.10 : x
  2. Step 2: Convert to fraction form
    114,179.76/157,718.66 = 87,650.10/x
  3. Step 3: Cross multiply
    114,179.76x = 157,718.66 × 87,650.10
  4. Step 4: Simplify right side
    114,179.76x = 13,824,056,320.87
  5. Step 5: Solve for x
    x = 13,824,056,320.87/114,179.76
  6. Step 6: Final answer
    x = 121,072.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.