Home / 149,428.98-224,196.75-74,542.50

Finding the Fourth Proportional to 149,428.98, 224,196.75 and 74,542.50

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Solution

The fourth proportional to 149,428.98, 224,196.75 and 74,542.50 is: 111,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,428.98 : 224,196.75 = 74,542.50 : x
  2. Step 2: Convert to fraction form
    149,428.98/224,196.75 = 74,542.50/x
  3. Step 3: Cross multiply
    149,428.98x = 224,196.75 × 74,542.50
  4. Step 4: Simplify right side
    149,428.98x = 16,712,186,236.88
  5. Step 5: Solve for x
    x = 16,712,186,236.88/149,428.98
  6. Step 6: Final answer
    x = 111,840.33

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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.