Home / 170,802.24-256,359.60-86,620.51

Finding the Fourth Proportional to 170,802.24, 256,359.60 and 86,620.51

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Solution

The fourth proportional to 170,802.24, 256,359.60 and 86,620.51 is: 130,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,802.24 : 256,359.60 = 86,620.51 : x
  2. Step 2: Convert to fraction form
    170,802.24/256,359.60 = 86,620.51/x
  3. Step 3: Cross multiply
    170,802.24x = 256,359.60 × 86,620.51
  4. Step 4: Simplify right side
    170,802.24x = 22,205,999,295.40
  5. Step 5: Solve for x
    x = 22,205,999,295.40/170,802.24
  6. Step 6: Final answer
    x = 130,010.00

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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.