Home / 160,895.94-221,249.06-139,638.30

Finding the Fourth Proportional to 160,895.94, 221,249.06 and 139,638.30

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Solution

The fourth proportional to 160,895.94, 221,249.06 and 139,638.30 is: 192,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,895.94 : 221,249.06 = 139,638.30 : x
  2. Step 2: Convert to fraction form
    160,895.94/221,249.06 = 139,638.30/x
  3. Step 3: Cross multiply
    160,895.94x = 221,249.06 × 139,638.30
  4. Step 4: Simplify right side
    160,895.94x = 30,894,841,916.81
  5. Step 5: Solve for x
    x = 30,894,841,916.81/160,895.94
  6. Step 6: Final answer
    x = 192,017.54

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1.5x scale

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.