Home / 171,431.42-236,555.15-98,833.50

Finding the Fourth Proportional to 171,431.42, 236,555.15 and 98,833.50

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Solution

The fourth proportional to 171,431.42, 236,555.15 and 98,833.50 is: 136,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,431.42 : 236,555.15 = 98,833.50 : x
  2. Step 2: Convert to fraction form
    171,431.42/236,555.15 = 98,833.50/x
  3. Step 3: Cross multiply
    171,431.42x = 236,555.15 × 98,833.50
  4. Step 4: Simplify right side
    171,431.42x = 23,379,572,923.36
  5. Step 5: Solve for x
    x = 23,379,572,923.36/171,431.42
  6. Step 6: Final answer
    x = 136,378.58

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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.