Home / 146,731.34-202,489.08-79,663.34

Finding the Fourth Proportional to 146,731.34, 202,489.08 and 79,663.34

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Solution

The fourth proportional to 146,731.34, 202,489.08 and 79,663.34 is: 109,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,731.34 : 202,489.08 = 79,663.34 : x
  2. Step 2: Convert to fraction form
    146,731.34/202,489.08 = 79,663.34/x
  3. Step 3: Cross multiply
    146,731.34x = 202,489.08 × 79,663.34
  4. Step 4: Simplify right side
    146,731.34x = 16,130,956,426.33
  5. Step 5: Solve for x
    x = 16,130,956,426.33/146,731.34
  6. Step 6: Final answer
    x = 109,935.32

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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.