Home / 119,816.06-165,345.23-66,103.34

Finding the Fourth Proportional to 119,816.06, 165,345.23 and 66,103.34

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Solution

The fourth proportional to 119,816.06, 165,345.23 and 66,103.34 is: 91,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,816.06 : 165,345.23 = 66,103.34 : x
  2. Step 2: Convert to fraction form
    119,816.06/165,345.23 = 66,103.34/x
  3. Step 3: Cross multiply
    119,816.06x = 165,345.23 × 66,103.34
  4. Step 4: Simplify right side
    119,816.06x = 10,929,871,294.60
  5. Step 5: Solve for x
    x = 10,929,871,294.60/119,816.06
  6. Step 6: Final answer
    x = 91,222.09

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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.