Home / 113,653.08-156,832.44-62,665.68

Finding the Fourth Proportional to 113,653.08, 156,832.44 and 62,665.68

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Solution

The fourth proportional to 113,653.08, 156,832.44 and 62,665.68 is: 86,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,653.08 : 156,832.44 = 62,665.68 : x
  2. Step 2: Convert to fraction form
    113,653.08/156,832.44 = 62,665.68/x
  3. Step 3: Cross multiply
    113,653.08x = 156,832.44 × 62,665.68
  4. Step 4: Simplify right side
    113,653.08x = 9,828,011,498.66
  5. Step 5: Solve for x
    x = 9,828,011,498.66/113,653.08
  6. Step 6: Final answer
    x = 86,473.78

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1.5x scale

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.