Home / 160,637.21-240,775.37-76,328.36

Finding the Fourth Proportional to 160,637.21, 240,775.37 and 76,328.36

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Solution

The fourth proportional to 160,637.21, 240,775.37 and 76,328.36 is: 114,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,637.21 : 240,775.37 = 76,328.36 : x
  2. Step 2: Convert to fraction form
    160,637.21/240,775.37 = 76,328.36/x
  3. Step 3: Cross multiply
    160,637.21x = 240,775.37 × 76,328.36
  4. Step 4: Simplify right side
    160,637.21x = 18,377,988,724.11
  5. Step 5: Solve for x
    x = 18,377,988,724.11/160,637.21
  6. Step 6: Final answer
    x = 114,406.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.