Home / 191,905.48-287,857.94-51,664.24

Finding the Fourth Proportional to 191,905.48, 287,857.94 and 51,664.24

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Solution

The fourth proportional to 191,905.48, 287,857.94 and 51,664.24 is: 77,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,905.48 : 287,857.94 = 51,664.24 : x
  2. Step 2: Convert to fraction form
    191,905.48/287,857.94 = 51,664.24/x
  3. Step 3: Cross multiply
    191,905.48x = 287,857.94 × 51,664.24
  4. Step 4: Simplify right side
    191,905.48x = 14,871,960,258.78
  5. Step 5: Solve for x
    x = 14,871,960,258.78/191,905.48
  6. Step 6: Final answer
    x = 77,496.28

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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.