Home / 319,464.77-440,861.42-176,225.18

Finding the Fourth Proportional to 319,464.77, 440,861.42 and 176,225.18

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Solution

The fourth proportional to 319,464.77, 440,861.42 and 176,225.18 is: 243,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,464.77 : 440,861.42 = 176,225.18 : x
  2. Step 2: Convert to fraction form
    319,464.77/440,861.42 = 176,225.18/x
  3. Step 3: Cross multiply
    319,464.77x = 440,861.42 × 176,225.18
  4. Step 4: Simplify right side
    319,464.77x = 77,690,882,213.43
  5. Step 5: Solve for x
    x = 77,690,882,213.43/319,464.77
  6. Step 6: Final answer
    x = 243,190.77

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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.