Home / 160,491.15-221,477.76-88,871.18

Finding the Fourth Proportional to 160,491.15, 221,477.76 and 88,871.18

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Solution

The fourth proportional to 160,491.15, 221,477.76 and 88,871.18 is: 122,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,491.15 : 221,477.76 = 88,871.18 : x
  2. Step 2: Convert to fraction form
    160,491.15/221,477.76 = 88,871.18/x
  3. Step 3: Cross multiply
    160,491.15x = 221,477.76 × 88,871.18
  4. Step 4: Simplify right side
    160,491.15x = 19,682,989,874.96
  5. Step 5: Solve for x
    x = 19,682,989,874.96/160,491.15
  6. Step 6: Final answer
    x = 122,642.21

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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.