Home / 117,314.49-161,294.55-104,445.21

Finding the Fourth Proportional to 117,314.49, 161,294.55 and 104,445.21

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Solution

The fourth proportional to 117,314.49, 161,294.55 and 104,445.21 is: 143,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,314.49 : 161,294.55 = 104,445.21 : x
  2. Step 2: Convert to fraction form
    117,314.49/161,294.55 = 104,445.21/x
  3. Step 3: Cross multiply
    117,314.49x = 161,294.55 × 104,445.21
  4. Step 4: Simplify right side
    117,314.49x = 16,846,443,146.61
  5. Step 5: Solve for x
    x = 16,846,443,146.61/117,314.49
  6. Step 6: Final answer
    x = 143,600.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.