Home / 146,326.77-201,905.06-81,775.37

Finding the Fourth Proportional to 146,326.77, 201,905.06 and 81,775.37

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Solution

The fourth proportional to 146,326.77, 201,905.06 and 81,775.37 is: 112,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,326.77 : 201,905.06 = 81,775.37 : x
  2. Step 2: Convert to fraction form
    146,326.77/201,905.06 = 81,775.37/x
  3. Step 3: Cross multiply
    146,326.77x = 201,905.06 × 81,775.37
  4. Step 4: Simplify right side
    146,326.77x = 16,510,861,082.26
  5. Step 5: Solve for x
    x = 16,510,861,082.26/146,326.77
  6. Step 6: Final answer
    x = 112,835.55

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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.