Home / 187,078.78-280,617.93-46,837.39

Finding the Fourth Proportional to 187,078.78, 280,617.93 and 46,837.39

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Solution

The fourth proportional to 187,078.78, 280,617.93 and 46,837.39 is: 70,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,078.78 : 280,617.93 = 46,837.39 : x
  2. Step 2: Convert to fraction form
    187,078.78/280,617.93 = 46,837.39/x
  3. Step 3: Cross multiply
    187,078.78x = 280,617.93 × 46,837.39
  4. Step 4: Simplify right side
    187,078.78x = 13,143,411,428.40
  5. Step 5: Solve for x
    x = 13,143,411,428.40/187,078.78
  6. Step 6: Final answer
    x = 70,256.02

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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.