Home / 161,750.79-223,163.15-98,065.35

Finding the Fourth Proportional to 161,750.79, 223,163.15 and 98,065.35

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Solution

The fourth proportional to 161,750.79, 223,163.15 and 98,065.35 is: 135,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,750.79 : 223,163.15 = 98,065.35 : x
  2. Step 2: Convert to fraction form
    161,750.79/223,163.15 = 98,065.35/x
  3. Step 3: Cross multiply
    161,750.79x = 223,163.15 × 98,065.35
  4. Step 4: Simplify right side
    161,750.79x = 21,884,571,921.53
  5. Step 5: Solve for x
    x = 21,884,571,921.53/161,750.79
  6. Step 6: Final answer
    x = 135,298.08

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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.