Home / 108,443.36-162,678.16-38,308.32

Finding the Fourth Proportional to 108,443.36, 162,678.16 and 38,308.32

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Solution

The fourth proportional to 108,443.36, 162,678.16 and 38,308.32 is: 57,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,443.36 : 162,678.16 = 38,308.32 : x
  2. Step 2: Convert to fraction form
    108,443.36/162,678.16 = 38,308.32/x
  3. Step 3: Cross multiply
    108,443.36x = 162,678.16 × 38,308.32
  4. Step 4: Simplify right side
    108,443.36x = 6,231,927,010.29
  5. Step 5: Solve for x
    x = 6,231,927,010.29/108,443.36
  6. Step 6: Final answer
    x = 57,467.11

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1.5x scale

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.