Home / 117,000.53-161,446.85-66,010.29

Finding the Fourth Proportional to 117,000.53, 161,446.85 and 66,010.29

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Solution

The fourth proportional to 117,000.53, 161,446.85 and 66,010.29 is: 91,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,000.53 : 161,446.85 = 66,010.29 : x
  2. Step 2: Convert to fraction form
    117,000.53/161,446.85 = 66,010.29/x
  3. Step 3: Cross multiply
    117,000.53x = 161,446.85 × 66,010.29
  4. Step 4: Simplify right side
    117,000.53x = 10,657,152,700.15
  5. Step 5: Solve for x
    x = 10,657,152,700.15/117,000.53
  6. Step 6: Final answer
    x = 91,086.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.