Home / 99,302.31-148,962.65-28,226.43

Finding the Fourth Proportional to 99,302.31, 148,962.65 and 28,226.43

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Solution

The fourth proportional to 99,302.31, 148,962.65 and 28,226.43 is: 42,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.31 : 148,962.65 = 28,226.43 : x
  2. Step 2: Convert to fraction form
    99,302.31/148,962.65 = 28,226.43/x
  3. Step 3: Cross multiply
    99,302.31x = 148,962.65 × 28,226.43
  4. Step 4: Simplify right side
    99,302.31x = 4,204,683,928.48
  5. Step 5: Solve for x
    x = 4,204,683,928.48/99,302.31
  6. Step 6: Final answer
    x = 42,342.26

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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.