Home / 126,130.24-174,056.40-69,540.16

Finding the Fourth Proportional to 126,130.24, 174,056.40 and 69,540.16

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Solution

The fourth proportional to 126,130.24, 174,056.40 and 69,540.16 is: 95,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,130.24 : 174,056.40 = 69,540.16 : x
  2. Step 2: Convert to fraction form
    126,130.24/174,056.40 = 69,540.16/x
  3. Step 3: Cross multiply
    126,130.24x = 174,056.40 × 69,540.16
  4. Step 4: Simplify right side
    126,130.24x = 12,103,909,905.02
  5. Step 5: Solve for x
    x = 12,103,909,905.02/126,130.24
  6. Step 6: Final answer
    x = 95,963.58

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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.