Home / 113,245.80-169,707.48-83,429.16

Finding the Fourth Proportional to 113,245.80, 169,707.48 and 83,429.16

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Solution

The fourth proportional to 113,245.80, 169,707.48 and 83,429.16 is: 125,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,245.80 : 169,707.48 = 83,429.16 : x
  2. Step 2: Convert to fraction form
    113,245.80/169,707.48 = 83,429.16/x
  3. Step 3: Cross multiply
    113,245.80x = 169,707.48 × 83,429.16
  4. Step 4: Simplify right side
    113,245.80x = 14,158,552,502.12
  5. Step 5: Solve for x
    x = 14,158,552,502.12/113,245.80
  6. Step 6: Final answer
    x = 125,024.97

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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.