Home / 316,569.17-436,862.46-171,371.23

Finding the Fourth Proportional to 316,569.17, 436,862.46 and 171,371.23

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Solution

The fourth proportional to 316,569.17, 436,862.46 and 171,371.23 is: 236,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,569.17 : 436,862.46 = 171,371.23 : x
  2. Step 2: Convert to fraction form
    316,569.17/436,862.46 = 171,371.23/x
  3. Step 3: Cross multiply
    316,569.17x = 436,862.46 × 171,371.23
  4. Step 4: Simplify right side
    316,569.17x = 74,865,657,111.03
  5. Step 5: Solve for x
    x = 74,865,657,111.03/316,569.17
  6. Step 6: Final answer
    x = 236,490.68

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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.