Home / 148,877.20-223,315.80-38,069.20

Finding the Fourth Proportional to 148,877.20, 223,315.80 and 38,069.20

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Solution

The fourth proportional to 148,877.20, 223,315.80 and 38,069.20 is: 57,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,877.20 : 223,315.80 = 38,069.20 : x
  2. Step 2: Convert to fraction form
    148,877.20/223,315.80 = 38,069.20/x
  3. Step 3: Cross multiply
    148,877.20x = 223,315.80 × 38,069.20
  4. Step 4: Simplify right side
    148,877.20x = 8,501,453,853.36
  5. Step 5: Solve for x
    x = 8,501,453,853.36/148,877.20
  6. Step 6: Final answer
    x = 57,103.80

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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.