Home / 114,595.20-158,085-99,467.64

Finding the Fourth Proportional to 114,595.20, 158,085 and 99,467.64

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Solution

The fourth proportional to 114,595.20, 158,085 and 99,467.64 is: 137,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,595.20 : 158,085 = 99,467.64 : x
  2. Step 2: Convert to fraction form
    114,595.20/158,085 = 99,467.64/x
  3. Step 3: Cross multiply
    114,595.20x = 158,085 × 99,467.64
  4. Step 4: Simplify right side
    114,595.20x = 15,724,341,869.40
  5. Step 5: Solve for x
    x = 15,724,341,869.40/114,595.20
  6. Step 6: Final answer
    x = 137,216.41

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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.