Home / 170,053.04-254,970.20-81,304.56

Finding the Fourth Proportional to 170,053.04, 254,970.20 and 81,304.56

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Solution

The fourth proportional to 170,053.04, 254,970.20 and 81,304.56 is: 121,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,053.04 : 254,970.20 = 81,304.56 : x
  2. Step 2: Convert to fraction form
    170,053.04/254,970.20 = 81,304.56/x
  3. Step 3: Cross multiply
    170,053.04x = 254,970.20 × 81,304.56
  4. Step 4: Simplify right side
    170,053.04x = 20,730,239,924.11
  5. Step 5: Solve for x
    x = 20,730,239,924.11/170,053.04
  6. Step 6: Final answer
    x = 121,904.55

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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.