Home / 154,356.18-231,633.10-83,328.26

Finding the Fourth Proportional to 154,356.18, 231,633.10 and 83,328.26

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Solution

The fourth proportional to 154,356.18, 231,633.10 and 83,328.26 is: 125,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,356.18 : 231,633.10 = 83,328.26 : x
  2. Step 2: Convert to fraction form
    154,356.18/231,633.10 = 83,328.26/x
  3. Step 3: Cross multiply
    154,356.18x = 231,633.10 × 83,328.26
  4. Step 4: Simplify right side
    154,356.18x = 19,301,583,181.41
  5. Step 5: Solve for x
    x = 19,301,583,181.41/154,356.18
  6. Step 6: Final answer
    x = 125,045.74

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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.