Home / 119,427.28-164,806.25-65,712.33

Finding the Fourth Proportional to 119,427.28, 164,806.25 and 65,712.33

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Solution

The fourth proportional to 119,427.28, 164,806.25 and 65,712.33 is: 90,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,427.28 : 164,806.25 = 65,712.33 : x
  2. Step 2: Convert to fraction form
    119,427.28/164,806.25 = 65,712.33/x
  3. Step 3: Cross multiply
    119,427.28x = 164,806.25 × 65,712.33
  4. Step 4: Simplify right side
    119,427.28x = 10,829,802,357.50
  5. Step 5: Solve for x
    x = 10,829,802,357.50/119,427.28
  6. Step 6: Final answer
    x = 90,681.15

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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.