Home / 121,580.16-182,216.80-61,623.68

Finding the Fourth Proportional to 121,580.16, 182,216.80 and 61,623.68

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Solution

The fourth proportional to 121,580.16, 182,216.80 and 61,623.68 is: 92,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,580.16 : 182,216.80 = 61,623.68 : x
  2. Step 2: Convert to fraction form
    121,580.16/182,216.80 = 61,623.68/x
  3. Step 3: Cross multiply
    121,580.16x = 182,216.80 × 61,623.68
  4. Step 4: Simplify right side
    121,580.16x = 11,228,869,773.82
  5. Step 5: Solve for x
    x = 11,228,869,773.82/121,580.16
  6. Step 6: Final answer
    x = 92,357.75

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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.