Home / 123,308.36-170,166.12-69,595.64

Finding the Fourth Proportional to 123,308.36, 170,166.12 and 69,595.64

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Solution

The fourth proportional to 123,308.36, 170,166.12 and 69,595.64 is: 96,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,308.36 : 170,166.12 = 69,595.64 : x
  2. Step 2: Convert to fraction form
    123,308.36/170,166.12 = 69,595.64/x
  3. Step 3: Cross multiply
    123,308.36x = 170,166.12 × 69,595.64
  4. Step 4: Simplify right side
    123,308.36x = 11,842,820,027.72
  5. Step 5: Solve for x
    x = 11,842,820,027.72/123,308.36
  6. Step 6: Final answer
    x = 96,042.31

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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.