Home / 371,519.82-557,207.19-118,732.50

Finding the Fourth Proportional to 371,519.82, 557,207.19 and 118,732.50

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Solution

The fourth proportional to 371,519.82, 557,207.19 and 118,732.50 is: 178,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,519.82 : 557,207.19 = 118,732.50 : x
  2. Step 2: Convert to fraction form
    371,519.82/557,207.19 = 118,732.50/x
  3. Step 3: Cross multiply
    371,519.82x = 557,207.19 × 118,732.50
  4. Step 4: Simplify right side
    371,519.82x = 66,158,602,686.68
  5. Step 5: Solve for x
    x = 66,158,602,686.68/371,519.82
  6. Step 6: Final answer
    x = 178,075.57

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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.