Home / 152,043.31-209,853.08-88,417.81

Finding the Fourth Proportional to 152,043.31, 209,853.08 and 88,417.81

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Solution

The fourth proportional to 152,043.31, 209,853.08 and 88,417.81 is: 122,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,043.31 : 209,853.08 = 88,417.81 : x
  2. Step 2: Convert to fraction form
    152,043.31/209,853.08 = 88,417.81/x
  3. Step 3: Cross multiply
    152,043.31x = 209,853.08 × 88,417.81
  4. Step 4: Simplify right side
    152,043.31x = 18,554,749,755.35
  5. Step 5: Solve for x
    x = 18,554,749,755.35/152,043.31
  6. Step 6: Final answer
    x = 122,035.95

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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.