Home / 114,101.66-157,621.36-103,875.62

Finding the Fourth Proportional to 114,101.66, 157,621.36 and 103,875.62

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Solution

The fourth proportional to 114,101.66, 157,621.36 and 103,875.62 is: 143,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,101.66 : 157,621.36 = 103,875.62 : x
  2. Step 2: Convert to fraction form
    114,101.66/157,621.36 = 103,875.62/x
  3. Step 3: Cross multiply
    114,101.66x = 157,621.36 × 103,875.62
  4. Step 4: Simplify right side
    114,101.66x = 16,373,015,187.76
  5. Step 5: Solve for x
    x = 16,373,015,187.76/114,101.66
  6. Step 6: Final answer
    x = 143,494.97

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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.