Home / 148,835.40-223,277.70-68,953.20

Finding the Fourth Proportional to 148,835.40, 223,277.70 and 68,953.20

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Solution

The fourth proportional to 148,835.40, 223,277.70 and 68,953.20 is: 103,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,835.40 : 223,277.70 = 68,953.20 : x
  2. Step 2: Convert to fraction form
    148,835.40/223,277.70 = 68,953.20/x
  3. Step 3: Cross multiply
    148,835.40x = 223,277.70 × 68,953.20
  4. Step 4: Simplify right side
    148,835.40x = 15,395,711,903.64
  5. Step 5: Solve for x
    x = 15,395,711,903.64/148,835.40
  6. Step 6: Final answer
    x = 103,441.20

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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.