Home / 116,015.10-160,177.92-89,109.46

Finding the Fourth Proportional to 116,015.10, 160,177.92 and 89,109.46

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Solution

The fourth proportional to 116,015.10, 160,177.92 and 89,109.46 is: 123,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,015.10 : 160,177.92 = 89,109.46 : x
  2. Step 2: Convert to fraction form
    116,015.10/160,177.92 = 89,109.46/x
  3. Step 3: Cross multiply
    116,015.10x = 160,177.92 × 89,109.46
  4. Step 4: Simplify right side
    116,015.10x = 14,273,367,955.12
  5. Step 5: Solve for x
    x = 14,273,367,955.12/116,015.10
  6. Step 6: Final answer
    x = 123,030.26

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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.