Home / 319,489.08-440,891.10-176,255.16

Finding the Fourth Proportional to 319,489.08, 440,891.10 and 176,255.16

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Solution

The fourth proportional to 319,489.08, 440,891.10 and 176,255.16 is: 243,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,489.08 : 440,891.10 = 176,255.16 : x
  2. Step 2: Convert to fraction form
    319,489.08/440,891.10 = 176,255.16/x
  3. Step 3: Cross multiply
    319,489.08x = 440,891.10 × 176,255.16
  4. Step 4: Simplify right side
    319,489.08x = 77,709,331,373.08
  5. Step 5: Solve for x
    x = 77,709,331,373.08/319,489.08
  6. Step 6: Final answer
    x = 243,230.01

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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.