Home / 121,429.58-182,159.63-65,192.39

Finding the Fourth Proportional to 121,429.58, 182,159.63 and 65,192.39

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Solution

The fourth proportional to 121,429.58, 182,159.63 and 65,192.39 is: 97,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,429.58 : 182,159.63 = 65,192.39 : x
  2. Step 2: Convert to fraction form
    121,429.58/182,159.63 = 65,192.39/x
  3. Step 3: Cross multiply
    121,429.58x = 182,159.63 × 65,192.39
  4. Step 4: Simplify right side
    121,429.58x = 11,875,422,723.38
  5. Step 5: Solve for x
    x = 11,875,422,723.38/121,429.58
  6. Step 6: Final answer
    x = 97,796.79

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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.