Home / 108,490.08-149,640.96-92,316

Finding the Fourth Proportional to 108,490.08, 149,640.96 and 92,316

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Solution

The fourth proportional to 108,490.08, 149,640.96 and 92,316 is: 127,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,490.08 : 149,640.96 = 92,316 : x
  2. Step 2: Convert to fraction form
    108,490.08/149,640.96 = 92,316/x
  3. Step 3: Cross multiply
    108,490.08x = 149,640.96 × 92,316
  4. Step 4: Simplify right side
    108,490.08x = 13,814,254,863.36
  5. Step 5: Solve for x
    x = 13,814,254,863.36/108,490.08
  6. Step 6: Final answer
    x = 127,331.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.