Home / 148,905.80-223,358.70-141,648.20

Finding the Fourth Proportional to 148,905.80, 223,358.70 and 141,648.20

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Solution

The fourth proportional to 148,905.80, 223,358.70 and 141,648.20 is: 212,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,905.80 : 223,358.70 = 141,648.20 : x
  2. Step 2: Convert to fraction form
    148,905.80/223,358.70 = 141,648.20/x
  3. Step 3: Cross multiply
    148,905.80x = 223,358.70 × 141,648.20
  4. Step 4: Simplify right side
    148,905.80x = 31,638,357,809.34
  5. Step 5: Solve for x
    x = 31,638,357,809.34/148,905.80
  6. Step 6: Final answer
    x = 212,472.30

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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.