Home / 135,735.48-203,616.18-42,216.12

Finding the Fourth Proportional to 135,735.48, 203,616.18 and 42,216.12

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Solution

The fourth proportional to 135,735.48, 203,616.18 and 42,216.12 is: 63,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,735.48 : 203,616.18 = 42,216.12 : x
  2. Step 2: Convert to fraction form
    135,735.48/203,616.18 = 42,216.12/x
  3. Step 3: Cross multiply
    135,735.48x = 203,616.18 × 42,216.12
  4. Step 4: Simplify right side
    135,735.48x = 8,595,885,088.82
  5. Step 5: Solve for x
    x = 8,595,885,088.82/135,735.48
  6. Step 6: Final answer
    x = 63,328.21

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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.