Home / 147,023.54-220,537.01-139,852.91

Finding the Fourth Proportional to 147,023.54, 220,537.01 and 139,852.91

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Solution

The fourth proportional to 147,023.54, 220,537.01 and 139,852.91 is: 209,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,023.54 : 220,537.01 = 139,852.91 : x
  2. Step 2: Convert to fraction form
    147,023.54/220,537.01 = 139,852.91/x
  3. Step 3: Cross multiply
    147,023.54x = 220,537.01 × 139,852.91
  4. Step 4: Simplify right side
    147,023.54x = 30,842,740,809.25
  5. Step 5: Solve for x
    x = 30,842,740,809.25/147,023.54
  6. Step 6: Final answer
    x = 209,780.98

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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.