Home / 123,293.04-170,141.63-69,576.68

Finding the Fourth Proportional to 123,293.04, 170,141.63 and 69,576.68

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Solution

The fourth proportional to 123,293.04, 170,141.63 and 69,576.68 is: 96,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,293.04 : 170,141.63 = 69,576.68 : x
  2. Step 2: Convert to fraction form
    123,293.04/170,141.63 = 69,576.68/x
  3. Step 3: Cross multiply
    123,293.04x = 170,141.63 × 69,576.68
  4. Step 4: Simplify right side
    123,293.04x = 11,837,888,546.60
  5. Step 5: Solve for x
    x = 11,837,888,546.60/123,293.04
  6. Step 6: Final answer
    x = 96,014.25

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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.