Home / 181,965.59-251,109.12-101,391.39

Finding the Fourth Proportional to 181,965.59, 251,109.12 and 101,391.39

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Solution

The fourth proportional to 181,965.59, 251,109.12 and 101,391.39 is: 139,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,965.59 : 251,109.12 = 101,391.39 : x
  2. Step 2: Convert to fraction form
    181,965.59/251,109.12 = 101,391.39/x
  3. Step 3: Cross multiply
    181,965.59x = 251,109.12 × 101,391.39
  4. Step 4: Simplify right side
    181,965.59x = 25,460,302,718.48
  5. Step 5: Solve for x
    x = 25,460,302,718.48/181,965.59
  6. Step 6: Final answer
    x = 139,918.23

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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.