Home / 147,384.36-203,395.86-83,732.94

Finding the Fourth Proportional to 147,384.36, 203,395.86 and 83,732.94

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Solution

The fourth proportional to 147,384.36, 203,395.86 and 83,732.94 is: 115,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,384.36 : 203,395.86 = 83,732.94 : x
  2. Step 2: Convert to fraction form
    147,384.36/203,395.86 = 83,732.94/x
  3. Step 3: Cross multiply
    147,384.36x = 203,395.86 × 83,732.94
  4. Step 4: Simplify right side
    147,384.36x = 17,030,933,341.63
  5. Step 5: Solve for x
    x = 17,030,933,341.63/147,384.36
  6. Step 6: Final answer
    x = 115,554.55

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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.