Home / 170,760.60-235,655.28-99,136.26

Finding the Fourth Proportional to 170,760.60, 235,655.28 and 99,136.26

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Solution

The fourth proportional to 170,760.60, 235,655.28 and 99,136.26 is: 136,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,760.60 : 235,655.28 = 99,136.26 : x
  2. Step 2: Convert to fraction form
    170,760.60/235,655.28 = 99,136.26/x
  3. Step 3: Cross multiply
    170,760.60x = 235,655.28 × 99,136.26
  4. Step 4: Simplify right side
    170,760.60x = 23,361,983,108.45
  5. Step 5: Solve for x
    x = 23,361,983,108.45/170,760.60
  6. Step 6: Final answer
    x = 136,811.32

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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.