Home / 123,218.24-170,037.36-69,502.48

Finding the Fourth Proportional to 123,218.24, 170,037.36 and 69,502.48

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Solution

The fourth proportional to 123,218.24, 170,037.36 and 69,502.48 is: 95,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,218.24 : 170,037.36 = 69,502.48 : x
  2. Step 2: Convert to fraction form
    123,218.24/170,037.36 = 69,502.48/x
  3. Step 3: Cross multiply
    123,218.24x = 170,037.36 × 69,502.48
  4. Step 4: Simplify right side
    123,218.24x = 11,818,018,212.65
  5. Step 5: Solve for x
    x = 11,818,018,212.65/123,218.24
  6. Step 6: Final answer
    x = 95,911.27

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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.