Home / 106,305.61-159,464.24-43,116.35

Finding the Fourth Proportional to 106,305.61, 159,464.24 and 43,116.35

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Solution

The fourth proportional to 106,305.61, 159,464.24 and 43,116.35 is: 64,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,305.61 : 159,464.24 = 43,116.35 : x
  2. Step 2: Convert to fraction form
    106,305.61/159,464.24 = 43,116.35/x
  3. Step 3: Cross multiply
    106,305.61x = 159,464.24 × 43,116.35
  4. Step 4: Simplify right side
    106,305.61x = 6,875,514,971.42
  5. Step 5: Solve for x
    x = 6,875,514,971.42/106,305.61
  6. Step 6: Final answer
    x = 64,676.88

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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.