Home / 319,465.26-440,863.29-176,223.24

Finding the Fourth Proportional to 319,465.26, 440,863.29 and 176,223.24

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Solution

The fourth proportional to 319,465.26, 440,863.29 and 176,223.24 is: 243,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,465.26 : 440,863.29 = 176,223.24 : x
  2. Step 2: Convert to fraction form
    319,465.26/440,863.29 = 176,223.24/x
  3. Step 3: Cross multiply
    319,465.26x = 440,863.29 × 176,223.24
  4. Step 4: Simplify right side
    319,465.26x = 77,690,357,360.86
  5. Step 5: Solve for x
    x = 77,690,357,360.86/319,465.26
  6. Step 6: Final answer
    x = 243,188.75

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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.