Home / 116,157.02-174,342.46-71,870.28

Finding the Fourth Proportional to 116,157.02, 174,342.46 and 71,870.28

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Solution

The fourth proportional to 116,157.02, 174,342.46 and 71,870.28 is: 107,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,157.02 : 174,342.46 = 71,870.28 : x
  2. Step 2: Convert to fraction form
    116,157.02/174,342.46 = 71,870.28/x
  3. Step 3: Cross multiply
    116,157.02x = 174,342.46 × 71,870.28
  4. Step 4: Simplify right side
    116,157.02x = 12,530,041,416.09
  5. Step 5: Solve for x
    x = 12,530,041,416.09/116,157.02
  6. Step 6: Final answer
    x = 107,871.58

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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.