Home / 185,916.21-256,569.24-101,033.28

Finding the Fourth Proportional to 185,916.21, 256,569.24 and 101,033.28

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Solution

The fourth proportional to 185,916.21, 256,569.24 and 101,033.28 is: 139,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,916.21 : 256,569.24 = 101,033.28 : x
  2. Step 2: Convert to fraction form
    185,916.21/256,569.24 = 101,033.28/x
  3. Step 3: Cross multiply
    185,916.21x = 256,569.24 × 101,033.28
  4. Step 4: Simplify right side
    185,916.21x = 25,922,031,864.31
  5. Step 5: Solve for x
    x = 25,922,031,864.31/185,916.21
  6. Step 6: Final answer
    x = 139,428.57

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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.