Home / 113,449.08-169,802.64-83,455.32

Finding the Fourth Proportional to 113,449.08, 169,802.64 and 83,455.32

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Solution

The fourth proportional to 113,449.08, 169,802.64 and 83,455.32 is: 124,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,449.08 : 169,802.64 = 83,455.32 : x
  2. Step 2: Convert to fraction form
    113,449.08/169,802.64 = 83,455.32/x
  3. Step 3: Cross multiply
    113,449.08x = 169,802.64 × 83,455.32
  4. Step 4: Simplify right side
    113,449.08x = 14,170,933,658.04
  5. Step 5: Solve for x
    x = 14,170,933,658.04/113,449.08
  6. Step 6: Final answer
    x = 124,910.08

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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.