Home / 133,057.02-183,659.39-82,085.61

Finding the Fourth Proportional to 133,057.02, 183,659.39 and 82,085.61

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Solution

The fourth proportional to 133,057.02, 183,659.39 and 82,085.61 is: 113,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057.02 : 183,659.39 = 82,085.61 : x
  2. Step 2: Convert to fraction form
    133,057.02/183,659.39 = 82,085.61/x
  3. Step 3: Cross multiply
    133,057.02x = 183,659.39 × 82,085.61
  4. Step 4: Simplify right side
    133,057.02x = 15,075,793,060.38
  5. Step 5: Solve for x
    x = 15,075,793,060.38/133,057.02
  6. Step 6: Final answer
    x = 113,303.25

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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.