Home / 146,301.12-201,895.20-79,233.12

Finding the Fourth Proportional to 146,301.12, 201,895.20 and 79,233.12

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Solution

The fourth proportional to 146,301.12, 201,895.20 and 79,233.12 is: 109,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,301.12 : 201,895.20 = 79,233.12 : x
  2. Step 2: Convert to fraction form
    146,301.12/201,895.20 = 79,233.12/x
  3. Step 3: Cross multiply
    146,301.12x = 201,895.20 × 79,233.12
  4. Step 4: Simplify right side
    146,301.12x = 15,996,786,609.02
  5. Step 5: Solve for x
    x = 15,996,786,609.02/146,301.12
  6. Step 6: Final answer
    x = 109,341.52

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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.