Home / 147,042.34-220,208.24-83,670.46

Finding the Fourth Proportional to 147,042.34, 220,208.24 and 83,670.46

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Solution

The fourth proportional to 147,042.34, 220,208.24 and 83,670.46 is: 125,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,042.34 : 220,208.24 = 83,670.46 : x
  2. Step 2: Convert to fraction form
    147,042.34/220,208.24 = 83,670.46/x
  3. Step 3: Cross multiply
    147,042.34x = 220,208.24 × 83,670.46
  4. Step 4: Simplify right side
    147,042.34x = 18,424,924,736.59
  5. Step 5: Solve for x
    x = 18,424,924,736.59/147,042.34
  6. Step 6: Final answer
    x = 125,303.53

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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.