Home / 151,943.92-209,671.77-83,960.14

Finding the Fourth Proportional to 151,943.92, 209,671.77 and 83,960.14

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Solution

The fourth proportional to 151,943.92, 209,671.77 and 83,960.14 is: 115,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,943.92 : 209,671.77 = 83,960.14 : x
  2. Step 2: Convert to fraction form
    151,943.92/209,671.77 = 83,960.14/x
  3. Step 3: Cross multiply
    151,943.92x = 209,671.77 × 83,960.14
  4. Step 4: Simplify right side
    151,943.92x = 17,604,071,163.25
  5. Step 5: Solve for x
    x = 17,604,071,163.25/151,943.92
  6. Step 6: Final answer
    x = 115,859.00

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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.