Home / 182,132.54-251,253.75-121,718.14

Finding the Fourth Proportional to 182,132.54, 251,253.75 and 121,718.14

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Solution

The fourth proportional to 182,132.54, 251,253.75 and 121,718.14 is: 167,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,132.54 : 251,253.75 = 121,718.14 : x
  2. Step 2: Convert to fraction form
    182,132.54/251,253.75 = 121,718.14/x
  3. Step 3: Cross multiply
    182,132.54x = 251,253.75 × 121,718.14
  4. Step 4: Simplify right side
    182,132.54x = 30,582,139,118.03
  5. Step 5: Solve for x
    x = 30,582,139,118.03/182,132.54
  6. Step 6: Final answer
    x = 167,911.45

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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.