Home / 119,271.38-164,586.21-65,555.06

Finding the Fourth Proportional to 119,271.38, 164,586.21 and 65,555.06

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Solution

The fourth proportional to 119,271.38, 164,586.21 and 65,555.06 is: 90,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,271.38 : 164,586.21 = 65,555.06 : x
  2. Step 2: Convert to fraction form
    119,271.38/164,586.21 = 65,555.06/x
  3. Step 3: Cross multiply
    119,271.38x = 164,586.21 × 65,555.06
  4. Step 4: Simplify right side
    119,271.38x = 10,789,458,871.72
  5. Step 5: Solve for x
    x = 10,789,458,871.72/119,271.38
  6. Step 6: Final answer
    x = 90,461.42

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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.