Home / 220,840.53-304,869.17-152,909.57

Finding the Fourth Proportional to 220,840.53, 304,869.17 and 152,909.57

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Solution

The fourth proportional to 220,840.53, 304,869.17 and 152,909.57 is: 211,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,840.53 : 304,869.17 = 152,909.57 : x
  2. Step 2: Convert to fraction form
    220,840.53/304,869.17 = 152,909.57/x
  3. Step 3: Cross multiply
    220,840.53x = 304,869.17 × 152,909.57
  4. Step 4: Simplify right side
    220,840.53x = 46,617,413,975.29
  5. Step 5: Solve for x
    x = 46,617,413,975.29/220,840.53
  6. Step 6: Final answer
    x = 211,090.85

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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.