Home / 126,661.93-174,421.45-113,228.28

Finding the Fourth Proportional to 126,661.93, 174,421.45 and 113,228.28

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Solution

The fourth proportional to 126,661.93, 174,421.45 and 113,228.28 is: 155,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,661.93 : 174,421.45 = 113,228.28 : x
  2. Step 2: Convert to fraction form
    126,661.93/174,421.45 = 113,228.28/x
  3. Step 3: Cross multiply
    126,661.93x = 174,421.45 × 113,228.28
  4. Step 4: Simplify right side
    126,661.93x = 19,749,440,920.14
  5. Step 5: Solve for x
    x = 19,749,440,920.14/126,661.93
  6. Step 6: Final answer
    x = 155,922.47

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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.