Home / 144,116.66-216,071.43-68,173.10

Finding the Fourth Proportional to 144,116.66, 216,071.43 and 68,173.10

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Solution

The fourth proportional to 144,116.66, 216,071.43 and 68,173.10 is: 102,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,116.66 : 216,071.43 = 68,173.10 : x
  2. Step 2: Convert to fraction form
    144,116.66/216,071.43 = 68,173.10/x
  3. Step 3: Cross multiply
    144,116.66x = 216,071.43 × 68,173.10
  4. Step 4: Simplify right side
    144,116.66x = 14,730,259,204.53
  5. Step 5: Solve for x
    x = 14,730,259,204.53/144,116.66
  6. Step 6: Final answer
    x = 102,210.66

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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.