Home / 116,162.29-160,357.08-89,295.40

Finding the Fourth Proportional to 116,162.29, 160,357.08 and 89,295.40

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Solution

The fourth proportional to 116,162.29, 160,357.08 and 89,295.40 is: 123,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,162.29 : 160,357.08 = 89,295.40 : x
  2. Step 2: Convert to fraction form
    116,162.29/160,357.08 = 89,295.40/x
  3. Step 3: Cross multiply
    116,162.29x = 160,357.08 × 89,295.40
  4. Step 4: Simplify right side
    116,162.29x = 14,319,149,601.43
  5. Step 5: Solve for x
    x = 14,319,149,601.43/116,162.29
  6. Step 6: Final answer
    x = 123,268.49

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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.