Home / 371,740.06-557,859.21-238,713.74

Finding the Fourth Proportional to 371,740.06, 557,859.21 and 238,713.74

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Solution

The fourth proportional to 371,740.06, 557,859.21 and 238,713.74 is: 358,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,740.06 : 557,859.21 = 238,713.74 : x
  2. Step 2: Convert to fraction form
    371,740.06/557,859.21 = 238,713.74/x
  3. Step 3: Cross multiply
    371,740.06x = 557,859.21 × 238,713.74
  4. Step 4: Simplify right side
    371,740.06x = 133,168,658,412.55
  5. Step 5: Solve for x
    x = 133,168,658,412.55/371,740.06
  6. Step 6: Final answer
    x = 358,230.58

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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.