Home / 146,459.40-202,122.68-82,803.12

Finding the Fourth Proportional to 146,459.40, 202,122.68 and 82,803.12

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Solution

The fourth proportional to 146,459.40, 202,122.68 and 82,803.12 is: 114,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,459.40 : 202,122.68 = 82,803.12 : x
  2. Step 2: Convert to fraction form
    146,459.40/202,122.68 = 82,803.12/x
  3. Step 3: Cross multiply
    146,459.40x = 202,122.68 × 82,803.12
  4. Step 4: Simplify right side
    146,459.40x = 16,736,388,526.76
  5. Step 5: Solve for x
    x = 16,736,388,526.76/146,459.40
  6. Step 6: Final answer
    x = 114,273.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.