Home / 119,209.02-164,511.30-65,493.54

Finding the Fourth Proportional to 119,209.02, 164,511.30 and 65,493.54

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Solution

The fourth proportional to 119,209.02, 164,511.30 and 65,493.54 is: 90,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,209.02 : 164,511.30 = 65,493.54 : x
  2. Step 2: Convert to fraction form
    119,209.02/164,511.30 = 65,493.54/x
  3. Step 3: Cross multiply
    119,209.02x = 164,511.30 × 65,493.54
  4. Step 4: Simplify right side
    119,209.02x = 10,774,427,407.00
  5. Step 5: Solve for x
    x = 10,774,427,407.00/119,209.02
  6. Step 6: Final answer
    x = 90,382.65

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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.