Home / 159,595.02-220,236.93-87,975.36

Finding the Fourth Proportional to 159,595.02, 220,236.93 and 87,975.36

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Solution

The fourth proportional to 159,595.02, 220,236.93 and 87,975.36 is: 121,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,595.02 : 220,236.93 = 87,975.36 : x
  2. Step 2: Convert to fraction form
    159,595.02/220,236.93 = 87,975.36/x
  3. Step 3: Cross multiply
    159,595.02x = 220,236.93 × 87,975.36
  4. Step 4: Simplify right side
    159,595.02x = 19,375,423,202.04
  5. Step 5: Solve for x
    x = 19,375,423,202.04/159,595.02
  6. Step 6: Final answer
    x = 121,403.68

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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.