Home / 148,090.60-221,990.10-73,222.30

Finding the Fourth Proportional to 148,090.60, 221,990.10 and 73,222.30

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Solution

The fourth proportional to 148,090.60, 221,990.10 and 73,222.30 is: 109,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,090.60 : 221,990.10 = 73,222.30 : x
  2. Step 2: Convert to fraction form
    148,090.60/221,990.10 = 73,222.30/x
  3. Step 3: Cross multiply
    148,090.60x = 221,990.10 × 73,222.30
  4. Step 4: Simplify right side
    148,090.60x = 16,254,625,699.23
  5. Step 5: Solve for x
    x = 16,254,625,699.23/148,090.60
  6. Step 6: Final answer
    x = 109,761.36

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1.5x scale

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.