Home / 161,705.85-242,263.20-117,222.27

Finding the Fourth Proportional to 161,705.85, 242,263.20 and 117,222.27

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Solution

The fourth proportional to 161,705.85, 242,263.20 and 117,222.27 is: 175,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705.85 : 242,263.20 = 117,222.27 : x
  2. Step 2: Convert to fraction form
    161,705.85/242,263.20 = 117,222.27/x
  3. Step 3: Cross multiply
    161,705.85x = 242,263.20 × 117,222.27
  4. Step 4: Simplify right side
    161,705.85x = 28,398,642,241.46
  5. Step 5: Solve for x
    x = 28,398,642,241.46/161,705.85
  6. Step 6: Final answer
    x = 175,619.14

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1.5x scale

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.