Home / 119,273.78-164,598.18-65,564.30

Finding the Fourth Proportional to 119,273.78, 164,598.18 and 65,564.30

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Solution

The fourth proportional to 119,273.78, 164,598.18 and 65,564.30 is: 90,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,273.78 : 164,598.18 = 65,564.30 : x
  2. Step 2: Convert to fraction form
    119,273.78/164,598.18 = 65,564.30/x
  3. Step 3: Cross multiply
    119,273.78x = 164,598.18 × 65,564.30
  4. Step 4: Simplify right side
    119,273.78x = 10,791,764,618.60
  5. Step 5: Solve for x
    x = 10,791,764,618.60/119,273.78
  6. Step 6: Final answer
    x = 90,478.93

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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.