Home / 117,350.34-161,883.48-74,257.32

Finding the Fourth Proportional to 117,350.34, 161,883.48 and 74,257.32

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Solution

The fourth proportional to 117,350.34, 161,883.48 and 74,257.32 is: 102,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,350.34 : 161,883.48 = 74,257.32 : x
  2. Step 2: Convert to fraction form
    117,350.34/161,883.48 = 74,257.32/x
  3. Step 3: Cross multiply
    117,350.34x = 161,883.48 × 74,257.32
  4. Step 4: Simplify right side
    117,350.34x = 12,021,033,377.07
  5. Step 5: Solve for x
    x = 12,021,033,377.07/117,350.34
  6. Step 6: Final answer
    x = 102,437.14

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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.