Home / 126,404.64-174,438.96-69,816.48

Finding the Fourth Proportional to 126,404.64, 174,438.96 and 69,816.48

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Solution

The fourth proportional to 126,404.64, 174,438.96 and 69,816.48 is: 96,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,404.64 : 174,438.96 = 69,816.48 : x
  2. Step 2: Convert to fraction form
    126,404.64/174,438.96 = 69,816.48/x
  3. Step 3: Cross multiply
    126,404.64x = 174,438.96 × 69,816.48
  4. Step 4: Simplify right side
    126,404.64x = 12,178,714,162.06
  5. Step 5: Solve for x
    x = 12,178,714,162.06/126,404.64
  6. Step 6: Final answer
    x = 96,347.05

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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.