Home / 170,050.77-254,966.81-81,302.31

Finding the Fourth Proportional to 170,050.77, 254,966.81 and 81,302.31

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Solution

The fourth proportional to 170,050.77, 254,966.81 and 81,302.31 is: 121,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,050.77 : 254,966.81 = 81,302.31 : x
  2. Step 2: Convert to fraction form
    170,050.77/254,966.81 = 81,302.31/x
  3. Step 3: Cross multiply
    170,050.77x = 254,966.81 × 81,302.31
  4. Step 4: Simplify right side
    170,050.77x = 20,729,390,219.82
  5. Step 5: Solve for x
    x = 20,729,390,219.82/170,050.77
  6. Step 6: Final answer
    x = 121,901.18

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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.