Home / 150,123.20-225,112.08-61,341.44

Finding the Fourth Proportional to 150,123.20, 225,112.08 and 61,341.44

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Solution

The fourth proportional to 150,123.20, 225,112.08 and 61,341.44 is: 91,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,123.20 : 225,112.08 = 61,341.44 : x
  2. Step 2: Convert to fraction form
    150,123.20/225,112.08 = 61,341.44/x
  3. Step 3: Cross multiply
    150,123.20x = 225,112.08 × 61,341.44
  4. Step 4: Simplify right side
    150,123.20x = 13,808,699,148.60
  5. Step 5: Solve for x
    x = 13,808,699,148.60/150,123.20
  6. Step 6: Final answer
    x = 91,982.45

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1.5x scale

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.