Home / 121,465.22-182,228.59-85,996.03

Finding the Fourth Proportional to 121,465.22, 182,228.59 and 85,996.03

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Solution

The fourth proportional to 121,465.22, 182,228.59 and 85,996.03 is: 129,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,465.22 : 182,228.59 = 85,996.03 : x
  2. Step 2: Convert to fraction form
    121,465.22/182,228.59 = 85,996.03/x
  3. Step 3: Cross multiply
    121,465.22x = 182,228.59 × 85,996.03
  4. Step 4: Simplify right side
    121,465.22x = 15,670,934,802.37
  5. Step 5: Solve for x
    x = 15,670,934,802.37/121,465.22
  6. Step 6: Final answer
    x = 129,015.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.