Home / 102,525.40-153,741.96-43,330.60

Finding the Fourth Proportional to 102,525.40, 153,741.96 and 43,330.60

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Solution

The fourth proportional to 102,525.40, 153,741.96 and 43,330.60 is: 64,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,525.40 : 153,741.96 = 43,330.60 : x
  2. Step 2: Convert to fraction form
    102,525.40/153,741.96 = 43,330.60/x
  3. Step 3: Cross multiply
    102,525.40x = 153,741.96 × 43,330.60
  4. Step 4: Simplify right side
    102,525.40x = 6,661,731,371.98
  5. Step 5: Solve for x
    x = 6,661,731,371.98/102,525.40
  6. Step 6: Final answer
    x = 64,976.40

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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.