Home / 147,052.83-202,932.88-83,390.62

Finding the Fourth Proportional to 147,052.83, 202,932.88 and 83,390.62

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Solution

The fourth proportional to 147,052.83, 202,932.88 and 83,390.62 is: 115,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,052.83 : 202,932.88 = 83,390.62 : x
  2. Step 2: Convert to fraction form
    147,052.83/202,932.88 = 83,390.62/x
  3. Step 3: Cross multiply
    147,052.83x = 202,932.88 × 83,390.62
  4. Step 4: Simplify right side
    147,052.83x = 16,922,699,397.39
  5. Step 5: Solve for x
    x = 16,922,699,397.39/147,052.83
  6. Step 6: Final answer
    x = 115,079.05

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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.