Home / 371,603.16-557,425.94-105,342.75

Finding the Fourth Proportional to 371,603.16, 557,425.94 and 105,342.75

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Solution

The fourth proportional to 371,603.16, 557,425.94 and 105,342.75 is: 158,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,603.16 : 557,425.94 = 105,342.75 : x
  2. Step 2: Convert to fraction form
    371,603.16/557,425.94 = 105,342.75/x
  3. Step 3: Cross multiply
    371,603.16x = 557,425.94 × 105,342.75
  4. Step 4: Simplify right side
    371,603.16x = 58,720,780,914.22
  5. Step 5: Solve for x
    x = 58,720,780,914.22/371,603.16
  6. Step 6: Final answer
    x = 158,020.13

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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.