Home / 170,687.36-235,510.86-99,025.88

Finding the Fourth Proportional to 170,687.36, 235,510.86 and 99,025.88

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Solution

The fourth proportional to 170,687.36, 235,510.86 and 99,025.88 is: 136,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,687.36 : 235,510.86 = 99,025.88 : x
  2. Step 2: Convert to fraction form
    170,687.36/235,510.86 = 99,025.88/x
  3. Step 3: Cross multiply
    170,687.36x = 235,510.86 × 99,025.88
  4. Step 4: Simplify right side
    170,687.36x = 23,321,670,161.06
  5. Step 5: Solve for x
    x = 23,321,670,161.06/170,687.36
  6. Step 6: Final answer
    x = 136,633.84

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1.5x scale

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.