Home / 375,738.58-563,681.76-139,083.31

Finding the Fourth Proportional to 375,738.58, 563,681.76 and 139,083.31

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Solution

The fourth proportional to 375,738.58, 563,681.76 and 139,083.31 is: 208,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,738.58 : 563,681.76 = 139,083.31 : x
  2. Step 2: Convert to fraction form
    375,738.58/563,681.76 = 139,083.31/x
  3. Step 3: Cross multiply
    375,738.58x = 563,681.76 × 139,083.31
  4. Step 4: Simplify right side
    375,738.58x = 78,398,724,967.43
  5. Step 5: Solve for x
    x = 78,398,724,967.43/375,738.58
  6. Step 6: Final answer
    x = 208,652.32

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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.