Home / 158,465.10-218,627.37-93,921.27

Finding the Fourth Proportional to 158,465.10, 218,627.37 and 93,921.27

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Solution

The fourth proportional to 158,465.10, 218,627.37 and 93,921.27 is: 129,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,465.10 : 218,627.37 = 93,921.27 : x
  2. Step 2: Convert to fraction form
    158,465.10/218,627.37 = 93,921.27/x
  3. Step 3: Cross multiply
    158,465.10x = 218,627.37 × 93,921.27
  4. Step 4: Simplify right side
    158,465.10x = 20,533,760,247.16
  5. Step 5: Solve for x
    x = 20,533,760,247.16/158,465.10
  6. Step 6: Final answer
    x = 129,579.07

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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.