Home / 316,569.29-436,862.63-171,371.36

Finding the Fourth Proportional to 316,569.29, 436,862.63 and 171,371.36

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Solution

The fourth proportional to 316,569.29, 436,862.63 and 171,371.36 is: 236,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,569.29 : 436,862.63 = 171,371.36 : x
  2. Step 2: Convert to fraction form
    316,569.29/436,862.63 = 171,371.36/x
  3. Step 3: Cross multiply
    316,569.29x = 436,862.63 × 171,371.36
  4. Step 4: Simplify right side
    316,569.29x = 74,865,741,280.39
  5. Step 5: Solve for x
    x = 74,865,741,280.39/316,569.29
  6. Step 6: Final answer
    x = 236,490.85

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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.