Home / 148,962.80-223,298.40-133,216.40

Finding the Fourth Proportional to 148,962.80, 223,298.40 and 133,216.40

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Solution

The fourth proportional to 148,962.80, 223,298.40 and 133,216.40 is: 199,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,962.80 : 223,298.40 = 133,216.40 : x
  2. Step 2: Convert to fraction form
    148,962.80/223,298.40 = 133,216.40/x
  3. Step 3: Cross multiply
    148,962.80x = 223,298.40 × 133,216.40
  4. Step 4: Simplify right side
    148,962.80x = 29,747,008,973.76
  5. Step 5: Solve for x
    x = 29,747,008,973.76/148,962.80
  6. Step 6: Final answer
    x = 199,694.21

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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.