Home / 289,561.06-399,598.20-162,233.92

Finding the Fourth Proportional to 289,561.06, 399,598.20 and 162,233.92

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Solution

The fourth proportional to 289,561.06, 399,598.20 and 162,233.92 is: 223,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,561.06 : 399,598.20 = 162,233.92 : x
  2. Step 2: Convert to fraction form
    289,561.06/399,598.20 = 162,233.92/x
  3. Step 3: Cross multiply
    289,561.06x = 399,598.20 × 162,233.92
  4. Step 4: Simplify right side
    289,561.06x = 64,828,379,601.78
  5. Step 5: Solve for x
    x = 64,828,379,601.78/289,561.06
  6. Step 6: Final answer
    x = 223,885.01

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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.