Home / 148,053.60-221,970.96-76,874.04

Finding the Fourth Proportional to 148,053.60, 221,970.96 and 76,874.04

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Solution

The fourth proportional to 148,053.60, 221,970.96 and 76,874.04 is: 115,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,053.60 : 221,970.96 = 76,874.04 : x
  2. Step 2: Convert to fraction form
    148,053.60/221,970.96 = 76,874.04/x
  3. Step 3: Cross multiply
    148,053.60x = 221,970.96 × 76,874.04
  4. Step 4: Simplify right side
    148,053.60x = 17,063,804,457.88
  5. Step 5: Solve for x
    x = 17,063,804,457.88/148,053.60
  6. Step 6: Final answer
    x = 115,254.24

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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.