Home / 126,673.26-174,776.29-75,665.13

Finding the Fourth Proportional to 126,673.26, 174,776.29 and 75,665.13

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Solution

The fourth proportional to 126,673.26, 174,776.29 and 75,665.13 is: 104,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,673.26 : 174,776.29 = 75,665.13 : x
  2. Step 2: Convert to fraction form
    126,673.26/174,776.29 = 75,665.13/x
  3. Step 3: Cross multiply
    126,673.26x = 174,776.29 × 75,665.13
  4. Step 4: Simplify right side
    126,673.26x = 13,224,470,703.77
  5. Step 5: Solve for x
    x = 13,224,470,703.77/126,673.26
  6. Step 6: Final answer
    x = 104,398.28

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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.