Home / 147,699.54-221,538.52-57,725.35

Finding the Fourth Proportional to 147,699.54, 221,538.52 and 57,725.35

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Solution

The fourth proportional to 147,699.54, 221,538.52 and 57,725.35 is: 86,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,699.54 : 221,538.52 = 57,725.35 : x
  2. Step 2: Convert to fraction form
    147,699.54/221,538.52 = 57,725.35/x
  3. Step 3: Cross multiply
    147,699.54x = 221,538.52 × 57,725.35
  4. Step 4: Simplify right side
    147,699.54x = 12,788,388,605.48
  5. Step 5: Solve for x
    x = 12,788,388,605.48/147,699.54
  6. Step 6: Final answer
    x = 86,583.81

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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.