Home / 301,459.09-451,844.65-121,429.23

Finding the Fourth Proportional to 301,459.09, 451,844.65 and 121,429.23

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Solution

The fourth proportional to 301,459.09, 451,844.65 and 121,429.23 is: 182,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,459.09 : 451,844.65 = 121,429.23 : x
  2. Step 2: Convert to fraction form
    301,459.09/451,844.65 = 121,429.23/x
  3. Step 3: Cross multiply
    301,459.09x = 451,844.65 × 121,429.23
  4. Step 4: Simplify right side
    301,459.09x = 54,867,145,703.45
  5. Step 5: Solve for x
    x = 54,867,145,703.45/301,459.09
  6. Step 6: Final answer
    x = 182,005.28

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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.