Home / 170,990.16-235,959.09-94,505.31

Finding the Fourth Proportional to 170,990.16, 235,959.09 and 94,505.31

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Solution

The fourth proportional to 170,990.16, 235,959.09 and 94,505.31 is: 130,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,990.16 : 235,959.09 = 94,505.31 : x
  2. Step 2: Convert to fraction form
    170,990.16/235,959.09 = 94,505.31/x
  3. Step 3: Cross multiply
    170,990.16x = 235,959.09 × 94,505.31
  4. Step 4: Simplify right side
    170,990.16x = 22,299,386,947.77
  5. Step 5: Solve for x
    x = 22,299,386,947.77/170,990.16
  6. Step 6: Final answer
    x = 130,413.28

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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.