Home / 129,362.60-178,424.16-114,228.56

Finding the Fourth Proportional to 129,362.60, 178,424.16 and 114,228.56

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Solution

The fourth proportional to 129,362.60, 178,424.16 and 114,228.56 is: 157,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,362.60 : 178,424.16 = 114,228.56 : x
  2. Step 2: Convert to fraction form
    129,362.60/178,424.16 = 114,228.56/x
  3. Step 3: Cross multiply
    129,362.60x = 178,424.16 × 114,228.56
  4. Step 4: Simplify right side
    129,362.60x = 20,381,134,866.01
  5. Step 5: Solve for x
    x = 20,381,134,866.01/129,362.60
  6. Step 6: Final answer
    x = 157,550.44

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1.5x scale

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.