Home / 116,577.56-160,881.06-74,135.16

Finding the Fourth Proportional to 116,577.56, 160,881.06 and 74,135.16

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Solution

The fourth proportional to 116,577.56, 160,881.06 and 74,135.16 is: 102,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,577.56 : 160,881.06 = 74,135.16 : x
  2. Step 2: Convert to fraction form
    116,577.56/160,881.06 = 74,135.16/x
  3. Step 3: Cross multiply
    116,577.56x = 160,881.06 × 74,135.16
  4. Step 4: Simplify right side
    116,577.56x = 11,926,943,124.07
  5. Step 5: Solve for x
    x = 11,926,943,124.07/116,577.56
  6. Step 6: Final answer
    x = 102,309.08

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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.