Home / 157,822.02-217,793.28-86,202.06

Finding the Fourth Proportional to 157,822.02, 217,793.28 and 86,202.06

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Solution

The fourth proportional to 157,822.02, 217,793.28 and 86,202.06 is: 118,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,822.02 : 217,793.28 = 86,202.06 : x
  2. Step 2: Convert to fraction form
    157,822.02/217,793.28 = 86,202.06/x
  3. Step 3: Cross multiply
    157,822.02x = 217,793.28 × 86,202.06
  4. Step 4: Simplify right side
    157,822.02x = 18,774,229,390.16
  5. Step 5: Solve for x
    x = 18,774,229,390.16/157,822.02
  6. Step 6: Final answer
    x = 118,958.24

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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.