Home / 187,573.40-258,884.01-111,135.53

Finding the Fourth Proportional to 187,573.40, 258,884.01 and 111,135.53

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Solution

The fourth proportional to 187,573.40, 258,884.01 and 111,135.53 is: 153,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,573.40 : 258,884.01 = 111,135.53 : x
  2. Step 2: Convert to fraction form
    187,573.40/258,884.01 = 111,135.53/x
  3. Step 3: Cross multiply
    187,573.40x = 258,884.01 × 111,135.53
  4. Step 4: Simplify right side
    187,573.40x = 28,771,212,307.09
  5. Step 5: Solve for x
    x = 28,771,212,307.09/187,573.40
  6. Step 6: Final answer
    x = 153,386.42

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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.