Home / 119,171.09-164,460.30-65,461.07

Finding the Fourth Proportional to 119,171.09, 164,460.30 and 65,461.07

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Solution

The fourth proportional to 119,171.09, 164,460.30 and 65,461.07 is: 90,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,171.09 : 164,460.30 = 65,461.07 : x
  2. Step 2: Convert to fraction form
    119,171.09/164,460.30 = 65,461.07/x
  3. Step 3: Cross multiply
    119,171.09x = 164,460.30 × 65,461.07
  4. Step 4: Simplify right side
    119,171.09x = 10,765,747,210.52
  5. Step 5: Solve for x
    x = 10,765,747,210.52/119,171.09
  6. Step 6: Final answer
    x = 90,338.58

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1.5x scale

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.