Home / 161,661.22-242,492.32-56,480.20

Finding the Fourth Proportional to 161,661.22, 242,492.32 and 56,480.20

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Solution

The fourth proportional to 161,661.22, 242,492.32 and 56,480.20 is: 84,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,661.22 : 242,492.32 = 56,480.20 : x
  2. Step 2: Convert to fraction form
    161,661.22/242,492.32 = 56,480.20/x
  3. Step 3: Cross multiply
    161,661.22x = 242,492.32 × 56,480.20
  4. Step 4: Simplify right side
    161,661.22x = 13,696,014,732.06
  5. Step 5: Solve for x
    x = 13,696,014,732.06/161,661.22
  6. Step 6: Final answer
    x = 84,720.47

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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.